20-F: Zhengye Biotechnology Reports Significant Revenue and Profit Decline in 2024 Amidst Strategic Realignment and Persistent China-Related Risks

Sentiment:

Annual Report


Zhengye Biotechnology Holding Limited experienced a notable decrease in revenue and net income for the fiscal year ended December 31, 2024, driven by veterinary vaccine market adjustments and a strategic shift to diversify its customer base away from its largest client, while also disclosing material weaknesses in internal financial controls.

Capital raiseThe company closed its Initial Public Offering (IPO) in January 2025, issuing 1,500,000 Ordinary Shares at $4.00 per share.Kingswood Capital Partners, LLC, as the representative of the underwriters, exercised its over-allotment option in full to purchase an additional 225,000 Ordinary Shares at $4.00 per share.Gross proceeds from the IPO totaled approximately US$6.9 million.Net proceeds from the IPO were approximately US$6.0 million after deducting underwriting discounts and other related expenses.The company intends to use the remaining proceeds from the IPO to acquire vaccine production companies and conduct research and development (R&D) projects.
Worse than expectedTotal revenue decreased by 12.0% from RMB211.7 million in 2023 to RMB186.4 million in 2024.Net income significantly declined by 64.0% from RMB37.5 million in 2023 to RMB13.5 million in 2024.Gross profit margin decreased from 55.5% in 2023 to 49.0% in 2024, indicating reduced profitability per unit of sale.

Summary

  • Total revenue for the fiscal year ended December 31, 2024, decreased by 12.0% to RMB186.4 million (US$25.5 million) from RMB211.7 million in 2023.
  • Net income for 2024 significantly declined to RMB13.5 million (US$1.8 million) from RMB37.5 million in 2023, representing a 64.0% decrease.
  • Gross profit decreased from RMB117.5 million in 2023 to RMB91.3 million (US$12.5 million) in 2024, with the gross profit margin falling from 55.5% to 49.0%.
  • Revenue from swine vaccines, the company's largest segment, dropped from RMB188.9 million in 2023 to RMB157.8 million (US$21.6 million) in 2024, accounting for 84.7% of total revenue.
  • The company's largest customer, Muyuan Foods Co., Ltd. (MYF), accounted for 44.6% of total revenue in 2024, down from 52.1% in 2023 and 74.5% in 2022, reflecting a strategic effort to reduce customer concentration.
  • Operating expenses increased slightly to RMB74.9 million (US$10.3 million) in 2024 from RMB72.5 million in 2023, primarily due to increased sales and marketing and R&D expenses.
  • Research and development expenses increased to RMB12.8 million (US$1.8 million) in 2024 from RMB11.9 million in 2023, with ongoing projects in animal vaccines, including mRNA vaccines for feline and porcine diseases.
  • The company completed its Initial Public Offering (IPO) in January 2025, raising approximately US$6.9 million in gross proceeds and US$6.0 million in net proceeds.
  • A material weakness in internal control over financial reporting was identified as of December 31, 2024, due to a lack of accounting staff with appropriate U.S. GAAP and SEC reporting knowledge.
  • The company continues to operate primarily through its principal subsidiary in China, Jilin Zhengye, and is subject to significant legal and operational risks associated with doing business in China.

Sentiment

Score: 3

Explanation: The company faces significant headwinds with declining revenue and net income, a shrinking gross profit margin, and identified material weaknesses in internal controls. While strategic efforts to diversify and invest in R&D are positive, the immediate financial performance and substantial regulatory risks associated with operating in China present considerable challenges and uncertainty for investors.

Positives

  • The company successfully completed its Initial Public Offering (IPO) in January 2025, raising approximately US$6.0 million in net proceeds, which can be used for strategic initiatives.
  • Strategic realignment of sales practices is underway to diversify the customer base and reduce dependency on a single major customer, with the largest customer's revenue contribution decreasing from 74.5% in 2022 to 44.6% in 2024.
  • Strong research and development capabilities are highlighted, with 52 R&D employees, 45 registered patents, and 16 Registration Certificates of New Veterinary Drugs, including recent approvals for Category I New Veterinary Drugs in February and March 2025.
  • Expansion into household animal vaccines is a key growth strategy, with clinical trials completed for Feline Panleukopenia, FCV, Feline Viral Rhinotracheitis Triple Inactivated Vaccine, and ongoing research into mRNA vaccines for feline and porcine diseases.
  • The company maintains an extensive distribution network, selling products in 28 provincial regions across China and exporting to Vietnam, Pakistan, and Egypt.
  • Management team and employees are experienced, with multiple officers holding advanced degrees and extensive industry tenure, contributing to competitive advantage.

Negatives

  • Total revenue decreased by 12.0% from RMB211.7 million in 2023 to RMB186.4 million (US$25.5 million) in 2024, indicating a declining sales trend.
  • Net income significantly decreased by 64.0% from RMB37.5 million in 2023 to RMB13.5 million (US$1.8 million) in 2024.
  • Gross profit margin declined from 55.5% in 2023 to 49.0% in 2024, primarily due to lower sales prices and unchanged fixed costs.
  • The company identified a material weakness in its internal control over financial reporting as of December 31, 2024, due to a lack of accounting staff with appropriate U.S. GAAP and SEC reporting knowledge.
  • Despite efforts to diversify, the company still has high customer concentration, with Muyuan Foods Co., Ltd. (MYF) accounting for 44.6% of total revenue in 2024 and 49.0% of total accounts receivable as of December 31, 2024.
  • The company's historical growth rates and performance may not be sustainable or indicative of future results, as evidenced by the revenue decline in 2023 and 2024.

Risks

  • Changes in China's economic, political, or social conditions or government policies could materially adversely affect business and operations.
  • Uncertainties in the interpretation and enforcement of PRC laws and regulations, which may change quickly with little advance notice, could limit legal protection.
  • Difficulties may arise in effecting service of legal process, enforcing foreign judgments, or conducting investigations within China for U.S. or overseas regulators.
  • The Chinese government's significant oversight and discretion over business conduct could lead to intervention or influence operations at any time, potentially causing material changes or hindering ability to offer securities.
  • Recent greater oversight by the Cyberspace Administration of China (CAC) over data security, particularly for companies seeking foreign listings, could adversely impact business and offerings.
  • The Holding Foreign Companies Accountable Act (HFCA Act) and related rule changes could prohibit trading of ordinary shares on a national exchange if the PCAOB is unable to inspect the company's auditors for two consecutive years.
  • Cash or assets in PRC/Hong Kong entities may not be available for use outside of PRC/Hong Kong due to government restrictions on capital transfer.
  • Increases in labor costs in the PRC may adversely affect business and profitability.
  • PRC regulations relating to offshore investment activities by PRC residents may subject beneficial owners or subsidiaries to penalties, limit capital injection, or restrict profit distribution.
  • PRC regulation of parent/subsidiary loans and direct investment by offshore holding companies may delay or prevent the use of offshore offering proceeds for PRC subsidiaries.
  • Fluctuations in exchange rates (RMB against USD) could materially and adversely affect results of operations and investment value.
  • Classification as a PRC resident enterprise for tax purposes could result in unfavorable tax consequences for the company and non-PRC shareholders.
  • Uncertainty exists regarding indirect transfers of equity interests in PRC resident enterprises by non-PRC holding companies, potentially leading to PRC enterprise income tax liabilities.
  • PRC subsidiaries are subject to restrictions on paying dividends or making other payments to the holding company.
  • Governmental control of currency conversion may affect investment value and dividend payments.
  • Uncertainties under the EIT Law regarding withholding tax liabilities and eligibility for treaty benefits on dividends from PRC subsidiaries.
  • Direct scrutiny, criticism, and negative publicity involving U.S.-listed Chinese companies could harm business operations, stock price, and reputation.
  • Complex procedures under M&A Rules and other PRC regulations for foreign acquisitions of Chinese companies could hinder growth through acquisitions.
  • Chinese regulatory authorities could disallow the holding company structure, leading to material changes in operations or a decline in securities value.
  • Current tension in international trade, particularly between the United States and China, may adversely impact business, financial condition, and results of operations.
  • The veterinary vaccine industry is highly competitive, and failure to compete effectively could adversely affect results of operations.
  • Perceived adverse effects on human health linked to consumption of food derived from animals utilizing the company's products could cause sales decline.
  • Increased regulation relating to raising, processing, or consumption of food-producing animals could reduce demand for livestock products.
  • Business is subject to risk based on customer exposure to rising costs and reduced customer income.
  • Failure to successfully acquire and integrate other businesses, license rights, form alliances, or divest businesses could adversely affect operations.
  • Research and development, acquisition, and licensing efforts may fail to generate new products or brand life-cycle developments.
  • Advances in veterinary medical practices and animal health technologies could negatively affect the market for products.
  • Research and development relies on evaluations in animals, which could be negatively impacted by controversies or regulations regarding animal testing.
  • Manufacturing problems may cause product launch delays, inventory shortages, recalls, or unanticipated costs.
  • Failure to detect or cure defects in products could harm reputation, expose to liability, and adversely affect revenue and profitability.
  • Misuse or off-label use of products may harm reputation or result in financial or other damages.
  • Significant reliance on swine vaccines for revenue means any reduction in demand could have an adverse effect on business.
  • Animal health products are subject to unanticipated safety or efficacy concerns, which may harm reputation.
  • Inability to retain, attract, and motivate key personnel could hinder business plan implementation.
  • Failure to obtain necessary regulatory approvals or clearances for commercialization of products would result in less revenue.
  • Reliance on a limited number of raw material suppliers poses a risk of disruption if a supplier is lost.
  • Damage to brand image could have a material adverse effect on growth strategy and financial condition.
  • Inability to successfully protect intellectual property and exclusive rights could lead to suffering for the brand and business.
  • Accusations of infringing, misappropriating, or violating third-party intellectual property rights could divert resources and harm reputation.
  • Legal and regulatory proceedings in the ordinary course of business could result in substantial costs and diversion of management attention.
  • Violations of the U.S. Foreign Corrupt Practices Act and similar anti-bribery laws could adversely affect the company.
  • An active trading market for ordinary shares may not develop or sustain, and the trading price may fluctuate significantly.
  • Failure to implement and maintain effective internal controls or remediate identified material weaknesses could lead to reporting failures or fraud.
  • Substantial increased costs are incurred as a public company.
  • Substantial future sales of ordinary shares or anticipation of sales could cause price decline.
  • The company does not intend to pay dividends in the foreseeable future.
  • Lack of research or negative reports from securities or industry analysts could cause stock price and trading volume to decline.
  • Market price volatility or decline regardless of operating performance means investors may not resell shares at or above IPO price.
  • Management has broad discretion over IPO proceeds, which may not enhance results or share price.
  • Ceasing to qualify as a foreign private issuer would incur significant additional expenses.
  • As a foreign private issuer exempt from certain Nasdaq corporate governance standards, shareholders may have less protection.
  • Inability to continue satisfying Nasdaq listing requirements could lead to delisting.
  • Anti-takeover provisions in articles of association may discourage, delay, or prevent a change in control.
  • As an emerging growth company, the company may not be subject to requirements applicable to other public companies, affecting investor confidence.
  • Laws of the Cayman Islands may not provide shareholders with benefits comparable to those in the United States.
  • Shareholders may be unable to present proposals before annual or extraordinary general meetings not called by shareholders.
  • Classification as a PFIC (Passive Foreign Investment Company) could result in adverse U.S. federal income tax consequences for U.S. taxpayers.

Future Outlook

The company intends to develop high-demand products, including subunit vaccines for Porcine Circovirus Type 2 and Swine Pseudorabies, and expand into household animal vaccines with products like Feline Panleukopenia, FCV, Feline Viral Rhinotracheitis Triple Inactivated Vaccine, and Canine Distemper-Parvovirus Vaccine. It also plans to explore mRNA vaccines for Feline Infectious Peritonitis, Feline Immunodeficiency Disease, Porcine Epidemic Diarrhea, and Porcine Reproductive and Respiratory Syndrome. The company aims to expand its sales and distribution network into new geographic markets in Southeast Asia (Thailand, Philippines) and developed animal husbandry cities in China, while also increasing R&D investment and enhancing its ability to attract and retain talented professionals.

Management Comments

  • Songlin Song, Chief Executive Officer, stated that the company's mission is to become a world-leading manufacturer of veterinary vaccines and to provide reliable veterinary vaccines to the world.
  • Management believes that their sophisticated quality control management system is in line with international standards.
  • Management believes that the operating entity can compete successfully with major competitors by offering products of better quality at comparable prices.
  • Management believes the operating entity offers its employees competitive compensation packages and an environment that encourages self-development, enabling it to attract and retain qualified personnel and maintain a stable core management team.
  • Management believes that their current cash and expected cash provided by operating and financing activities will be sufficient to meet current and anticipated working capital requirements and capital expenditures for the next twelve months.
  • Management acknowledges that they may need additional cash resources in the future if business conditions change or if opportunities for investment, acquisition, or capital expenditure arise.

Industry Context

The company operates in the highly competitive and rapidly evolving veterinary vaccine industry in China, characterized by many new entrants and a few leading companies. The industry is subject to increasing and stringent regulations, particularly concerning animal health products and data security in China. The market is influenced by factors such as animal disease prevalence, temperature changes affecting animal immunity, and evolving consumer views on animal rights and health. The industry is also seeing a trend towards mass production and conglomeration of downstream companies, leading to enhanced planning and routinization of epidemic prevention, which is gradually attenuating seasonality. The company's focus on R&D, including advanced mRNA vaccine technology, aligns with the industry's need for innovative and effective solutions to animal diseases.

Comparison to Industry Standards

  • The company competes with major players like Jinyu Bio-Technology Co., Ltd., Wuhan Keqian Biology Co., Ltd., Shanghai Shenlian Biomedical Co., Ltd., Guangdong Yongshun Biopharmaceutical Co., Ltd., and Shanghai Haili Biotechnology Co., Ltd., some of whom have greater market share, resources, and experience.
  • While the document states the company believes it can compete successfully by offering better quality products at comparable prices, specific comparative product efficacy or pricing data against these competitors is not provided.
  • The company's R&D collaborations with prominent universities and institutes (e.g., China Agricultural University, Harbin Veterinary Research Institute) are a common industry practice for leveraging fundamental research and accelerating product development, similar to how leading biopharmaceutical companies operate.
  • The company's adherence to Good Manufacturing Practices (GMP) for Veterinary Drugs and ISO standards (9001:2015, 14001:2015, and 45001:2018) indicates a commitment to quality management systems that are standard for reputable manufacturers in the global pharmaceutical and biological products industry.
  • The high customer concentration with Muyuan Foods Co., Ltd. (MYF) (44.6% of revenue in 2024) is a significant risk factor that is generally higher than ideal industry diversification standards, where reliance on a single customer is typically minimized to mitigate revenue volatility and bargaining power imbalances.

Management Changes

RolePrevious PersonNew PersonEffective DateReason
Co-Chief Executive OfficerN/AAiden HanMarch 2025Appointment to new role.
Chief Operating OfficerN/AZhongyao LiuApril 2024Appointment to new role.
Independent DirectorN/APing JiangSeptember 30, 2024Appointment to the board.
Independent DirectorN/AWenbing WangSeptember 30, 2024Appointment to the board.
Independent DirectorN/AJiayao WuSeptember 30, 2024Appointment to the board.
Vice General ManagerYawen DongN/AApril 30, 2024Retirement.
Vice General ManagerWanlin ZhangN/AApril 30, 2024Retirement.

Corporate Governance

Change TypeDescriptionEffective DateImpact Assessment
Committee EstablishmentEstablished three committees under the board of directors: an audit committee, a compensation committee, and a nominating and corporate governance committee, each with a adopted charter.N/A (established prior to IPO, but details provided in this report)Enhances corporate oversight and aligns with public company governance standards, particularly for a Nasdaq-listed entity.
Director IndependenceJiayao Wu, Wenbing Wang, and Ping Jiang satisfy the independence requirements of Nasdaq listing rules and Rule 10A-3 under the Securities Exchange Act, with Jiayao Wu qualifying as an audit committee financial expert.September 30, 2024 (appointment date of independent directors)Strengthens board independence and financial expertise, crucial for public company compliance and investor confidence.
Code of Business Conduct and EthicsAdopted a code of business conduct and ethics applicable to all directors, officers, and employees, made publicly available on the website.Prior to initial closing of IPOEstablishes ethical guidelines and promotes a culture of compliance, essential for public company integrity.
Executive Compensation Recovery PolicyAdopted an executive compensation recovery policy applicable to officers and employees, made publicly available on the website.Prior to initial closing of IPOProvides a mechanism for clawing back erroneously awarded compensation, enhancing accountability and aligning with best practices in corporate governance.
Insider Trading PoliciesAdopted insider trading policies governing the purchase, sale, and other dispositions of securities by directors, senior management, and employees.May 15, 2025Aims to prevent insider trading violations and ensure compliance with securities laws, protecting market integrity and investor trust.
Home Country Rule ExemptionElected to follow home country rules for exemption from certain Nasdaq Listing Rules (5635 and 5640) regarding shareholder approval for dilutive events and voting rights, as permitted for foreign private issuers.N/A (stated as an election)May afford less protection to investors compared to U.S. domestic issuers, as certain corporate actions might not require the same level of shareholder approval or voting rights protection.

Legal Proceedings

  • Neither the company nor its operating entity is a party to any material legal or administrative proceedings as of the date of this annual report.
  • The operating entity may be subject to various claims and legal actions arising in the ordinary course of business, which could result in substantial cost and diversion of resources.
  • The operating entity is not aware of any warnings, investigations, prosecutions, disputes, claims, or other proceedings regarding environmental protection or product quality issues, nor has it been penalized or foresees any penalties from PRC government authorities.
  • The operating entity is not a party to any international claims or litigation with respect to defective products or other matters.

Related Party Transactions

  • For the year ended December 31, 2024, the company obtained a working capital loan of RMB145,986 (US$20,000) from Jiahe Developments Limited, which is controlled by Mr. Zhenfa Han, the principal shareholder, director, and chairman of the board. This loan was fully repaid on January 27, 2025.
  • The operating entity purchased goods from Jilin Huazheng Agriculture and Animal Husbandry Development Co., Ltd., also controlled by Mr. Zhenfa Han, in the amounts of RMB90,556 in 2022, RMB126,573 in 2023, and RMB118,883 (US$16,287) in 2024.
  • For the year ended December 31, 2023, the operating entity sold a motor vehicle to Beijing Hanzhenyuan International Hotel Co., Ltd., a company controlled by a shareholder of the company, with a net carrying value of RMB737,713. The amount due from Beijing Hanzhenyuan was RMB737,713 (US$101,066) as of December 31, 2024, and was fully collected on March 17, 2025.

Stakeholder Impact

  • **Shareholders**: Face risks of declining share value due to decreased revenue and net income, high customer concentration, and uncertainties related to PRC regulatory environment and PCAOB inspections. The material weakness in internal controls could also erode investor confidence. Dividends are not expected in the foreseeable future.
  • **Employees**: The company aims to attract, incentivize, and retain talented professionals through competitive compensation and performance review mechanisms. However, the identified material weakness in internal controls highlights a need for strengthening accounting staff and resources.
  • **Customers**: The company's strategic realignment to diversify its customer base aims to reduce dependency on major clients, potentially benefiting a broader range of customers. Product quality and safety are prioritized, which is positive for customer satisfaction.
  • **Suppliers**: The company relies on a limited number of suppliers for raw materials, posing a risk of disruption if a supplier is lost. However, stable relationships with significant suppliers are reported.
  • **Creditors**: The company has outstanding bank loans and is subject to interest rate risks. Its ability to meet obligations depends on cash generated from operations and financing activities, which have seen a decrease in net cash provided by operating activities and an increase in net cash used in financing activities in 2024.

Next Steps

  • Continue to develop high-demand products, including Subunit Vaccine of Porcine Circovirus Type 2 and Swine Pseudorabies Vaccine, Inactivated.
  • Expand business by entering the household animal vaccines industry, including Feline Panleukopenia, FCV, Feline Viral Rhinotracheitis Triple Inactivated Vaccine, and Canine Distemper-Parvovirus Vaccine.
  • Continue researching Feline Infectious Peritonitis Subunit Vaccine and Feline Leukemia and Feline Immunodeficiency Disease Duplex mRNA Vaccine.
  • Expand sales and distribution network to new geographic markets in Southeast Asia (Thailand, Philippines) and developed animal husbandry cities in China.
  • Implement initiatives to attract, incentivize, and retain talented professionals, including formulating a market-oriented employee compensation structure and a standardized multilevel performance review mechanism.
  • Increase R&D investment, specifically allocating approximately RMB13.1 million from IPO proceeds for Feline Rhinotracheitis, Feline Rhinoconjunctivitis and Feline Panleukopenia Triple Inactivated vaccine and Replicate-defective Human Adenovirus Type-5 Recombinant Rabies Glycoprotein Vaccine.
  • Address the identified material weakness in internal control over financial reporting by recruiting qualified accounting personnel with U.S. GAAP and SEC reporting experience and implementing regular training programs.

Key Dates

DateDescription
1984Yuyou He obtained his Bachelor's degree in Veterinary from Jilin Agricultural University and started working in the operating entity.
1987Wenhua Sun obtained her Bachelor's degree in Party and Government Management from Changchun Radio and Television University.
1989Ping Jiang obtained his Master's degree in Preventive Veterinary Medicine from Nanjing Agricultural University and started working in College of Veterinary Medicine of Nanjing Agricultural University.
1990-12-30Trademark Registration No. 538324 registered.
1991PRC Copyright Law took effect.
1993-09-01Product Quality Law of the PRC became effective.
1993-12-13Provisional Regulations of the PRC on Value-added Tax promulgated.
1994-01-01Provisional Regulations of the PRC on Value-added Tax came into effect.
1994-05-12Foreign Trade Law of the PRC promulgated.
1994-07-01Foreign Trade Law of the PRC came into effect.
1995Law on the Prevention and Control of Environmental Pollution Caused by Solid Waste promulgated.
1997-07-01The Basic Law of the Hong Kong Special Administrative Region of the PRC became effective.
1997-12-01Administration Measures on Good Practice of Experimental Animals promulgated.
1998Songlin Song started working in the industry.
1998Ping Wang obtained his Bachelor's degree in Financial Accounting Education from Jilin Agricultural University.
1998Yuhong Cheng obtained her Junior Colleges degree in Industrial Foreign Trade from Jilin Institute of Chemical Technology.
1998Ping Jiang obtained his Doctor's degree in Infectious Diseases and Preventive Veterinary Medicine from Nanjing Agricultural University.
1999Regulations on the Administration of Housing Funds promulgated.
2001-12-10Regulations of the PRC on the Administration of Import and Export of Goods promulgated.
2002-01-01Regulations of the PRC on the Administration of Import and Export of Goods came into effect.
2002Yuhong Cheng obtained her Bachelor's degree in English Education from Northeast Normal University.
2002Wenbing Wang obtained his Master's degree in Business Administration from University of Rochester.
2002Jiayao Wu obtained his Bachelor's degree in Applied Mathematics from Sun Yat-sen University.
2004-04-09Regulation on Veterinary Drug Administration promulgated.
2004-05-18Jilin Zhengye was established as a limited liability company.
2004-06-25Measures for Record Filing and Registration by Foreign Trade Dealer promulgated.
2004-07-01Measures for Record Filing and Registration by Foreign Trade Dealer came into effect.
2005Wei Lian started his career in the operating entity.
2005-07-21PRC government changed its policy of pegging RMB to U.S. dollar.
2006The operating entity's R&D center was established.
2006-08-08M&A Rules issued by six PRC regulatory agencies.
2006-09-08M&A Rules took into effect.
2007-01-01Individual Foreign Exchange Rules promulgated by SAFE became effective.
2007-03-16Enterprise Income Tax Law of the PRC promulgated.
2007-06-29PRC Labor Contract Law promulgated.
2007-12-06Regulations for the Implementation of the Enterprise Income Tax Law enacted.
2008-01-01Enterprise Income Tax Law and its implementation rules became effective.
2008-01-01PRC Labor Contract Law became effective.
2008-08-01Anti-Monopoly Law of the Peoples Republic of China took effect.
2008-08-01Provisions on Thresholds for Prior Notification of Concentrations of Undertakings issued by the State Council.
2008-09-01Implementing rules for PRC Labor Contract Law became effective.
2008-09-09The operating entity entered into a strategic cooperation framework agreement with Shanghai Veterinary Research Institute.
2008-09-08Strategic Cooperation Framework Agreement with Shanghai Veterinary Research Institute was in effect until this date.
2009-01-19Notice of the Ministry of Finance and the State Administration of Taxation on Value-Added Tax Policies Concerning the Application of Low Tax Rates and Simplified Taxation Method for Certain Goods promulgated.
2009-02-20Circular on Certain Issues with Respect to the Enforcement of Dividend Provisions in Tax Treaties (SAT Circular 81) became effective.
2009-06-22M&A Rules amended by the MOFCOM.
2009-12-10SAT issued the Notice on Strengthening the Administration of Enterprise Income Tax on Equity Transfers of Non-resident Enterprises (Circular 698).
2010-01-15Norms for the Business Operation and Quality Management of Veterinary Drugs promulgated by the Ministry of Agriculture and Rural Affairs.
2011-07-01PRC Social Insurance Law implemented.
2011-09-01Measures for the Administration of Enterprise Income Tax of Chinese-Controlled Overseas Registered Enterprises as Resident Enterprises (for Trial Implementation) (SAT Bulletin 45) took effect.
2011-09-01Security Review Rules issued by MOFCOM became effective.
2012-04-05The operating entity entered into a technology licensing agreement with Harbin Veterinary Research Institute.
2012Wei Lian obtained his Master's degree of Veterinary from Jilin Agricultural University.
2012-12-28PRC Labor Contract Law amended.
2013-01-30Regulation on the Protection of the Right to Communicate Works to the Public over Information Networks most recently amended.
2013Regulation on Urban Drainage and Sewage Treatment promulgated.
2013Consumer Rights and Interests Protection Law most recently amended.
2014-07-04SAFE issued Circular 37 on Issues Concerning Foreign Exchange Control over Overseas Investment and Financing and Round-trip Investment by Domestic Residents via Special Purpose Vehicles.
2014-06-13Notice of the Ministry of Finance and the State Administration of Taxation on Simplifying Value-added Tax Rate Policies promulgated.
2014-12-10First installment of RMB21.6 million due to Harbin Veterinary Research Institute for technology licensing.
2014-12-26Jointly obtained Registration Certificate of New Veterinary Drugs for Swine Transmissible Gastroenteritis, Porcine Epidemic Diarrhea and Porcine Rotavirus (G5 type) Vaccine, live.
2015-02-03SAT issued Public Notice Regarding Certain Corporate Income Tax Matters on Indirect Transfer of Properties by Non-Tax Resident Enterprises (Circular 7).
2015-02-01SAFE promulgated Circular 13 on Further Simplifying and Improving Foreign Exchange Administration Policy on Direct Investment, effective June 2015.
2015-03-30SAFE issued Circular 19 on Reforming the Administrative Approach Regarding the Settlement of the Foreign Exchange Capital of Foreign-invested Enterprises, effective June 1, 2015.
2015-04-22Technology Development Contract by and between Jilin Zhengye and Shanghai Veterinary Research Institute.
2015-10-20Second installment of RMB16.2 million due to Harbin Veterinary Research Institute for technology licensing.
2016-06-09SAFE promulgated Circular 16 on Reforming and Standardizing the Foreign Exchange Settlement Management Policy of Capital Account, effective June 9, 2016.
2016-07-01Swine Transmissible Gastroenteritis, Porcine Epidemic Diarrhea and Porcine Rotavirus (G5 type) Vaccine, Live launched.
2016-10-20Third installment of RMB16.2 million due to Harbin Veterinary Research Institute for technology licensing.
2017-01-01Circular 3 on Further Improving Reform of Foreign Exchange Administration and Optimizing Genuineness and Compliance Verification promulgated by SAFE.
2017-08-24Administrative Measures on Internet Domain Names promulgated by the MIIT.
2017-11-01Administrative Measures on Internet Domain Names became effective.
2017-11-10Patent Zl201510063873.1 (Vaccine Adjuvant and its Application on the Preparation of Newcastle Disease Inactivated Vaccine) published.
2017-11-30Norms for the Business Operation and Quality Management of Veterinary Drugs amended.
2017-12-01Announcement on Matters Concerning Withholding and Payment of Income Tax of Non-resident Enterprises from Source (SAT Circular 37) came into force.
2017-12-01Circular 7 amended by SAT Circular 37.
2017-12-01SAT Circular 82 amended.
2018-03-01Notice of the State Administration of Taxation on the Recognition of Beneficial Owners in Tax Treaties became effective.
2018-04-03Memorandum signed between Jilin Zhengye and Shanghai Veterinary Research Institute.
2018-04-01Circular on Several Issues regarding the Beneficial Owner in Tax Treaties became effective.
2018-05-14Domain name jlzybio.com registered.
2018-05-17Domain name . registered.
2018-05-14Domain name jlzybio.cn registered.
2018-07-16The operating entity entered into a technology licensing agreement with China Agricultural University and China Institute of Veterinary Drug Control.
2018-09-07Patent ZL201510320280.9 (Porcine Circovirus Type 2 (Pcv2) Strain, the Inactivated Vaccine and its Application) published.
2018-09-01Songlin Song became Director and General Manager of the operating entity.
2018-10-01Yuhong Cheng became Director of Human Resources and Administration of the operating entity.
2018-10-01Company Law last amended.
2018-12-29Enterprise Income Tax Law of the PRC last amended.
2018-12-29Product Quality Law of the PRC last amended.
2018-12-29PRC Social Insurance Law most recently amended.
2019-01-18Patent ZL201821162503.9 (A Fixing Strap of Temperature Transmitter for Livestock Temperature Measurement) published.
2019-03-01Zhongyao Liu served as M&A Manager of Beijing Oriental Yuhong Waterproof Technology Co., Ltd.
2019-03-01Jiayao Wu served as chief financial officer of GXEVER Holdings Limited.
2019-03-01Foreign Investment Law approved by the National People's Congress of China.
2019-04-12Copyright No. 00816517 published.
2019-06-04Patent ZL201821162650.6 (An Aseptic Sampling Device for Bioreactors) published.
2019-06-07Trademark Registration No. 33129332 registered.
2019-06-21Trademark Registration No. 33148263 registered.
2019-08-19Copyright No. 00238001, 00238002, 00238003 published.
2019-08-30Patent ZL201821162502.4 (A Temperature Adjustable Mouse Restrainer for Intravenous Injections) published.
2019-09-03Patent ZL201821162656.3 (A Fixing Device for Experimental Animals) published.
2019-09-14Trademark Registration No. 33129152 registered.
2019-09-01Jiayao Wu served as chief financial officer of GXEVER Holdings Limited.
2019-09-01Shanghai Veterinary Research Institute transferred Duck Tembusu Viral Disease Vaccine, Live (Strain FX2010-180P) to the operating entity for commercialization.
2019-10-23SAFE issued Circular 28 on Further Promoting the Facilitation of Cross-border Trade and Investment, effective same day.
2019-10-01Trademark Law most recently amended.
2019-12-30Circular 19 amended.
2020-01-01Foreign Investment Law and its implementing rules became effective.
2020-01-01Administrative Measures for Non-Resident Taxpayers to Enjoy Treaty Treatments (Circular 35) became effective.
2020-01-01Reassortant Newcastle Disease Virus and Avian Influenza Virus (H9 Subtype) Vaccine, Inactivated launched.
2020-01-01Wenhua Sun became General Manager of Beijing Huazheng Property Management Co., Ltd.
2020-03-01Article 177 of the PRC Securities Law became effective.
2020-03-27Regulation on Veterinary Drug Administration most recently amended.
2020-04-13Approval Number for Veterinary Biological Products for Rabies Vaccine, Inactivated (Strain Flury LEP) received.
2020-04-14Trademark Registration No. 40734059 registered.
2020-04-21Ministry of Agriculture and Rural Affairs of the PRC promulgated new Measures for the Administration of the Production and Quality Control of Veterinary Biological Products.
2020-05-01New Measures for the Administration of the Production and Quality Control of Veterinary Biological Products became effective.
2020-05-20U.S. Senate passed the HFCA Act.
2020-08-01Yuhong Cheng became Deputy General Manager of the operating entity.
2020-09-17Cooperation Agreement by and between Jilin Zhengye and Jilin University.
2020-09-18Cooperation Agreement of joint research project with Jilin University for 'The Key Technique Study for the Development of the Live Gene-deletion-attenuated Vaccine against Ovine and Caprine Ecthyma (Orf)'.
2020-09-19Cooperation Agreement of joint research project with Jilin Agricultural Science and Technology University for 'The Development and Efficacy Evaluation of Jilin-region-specific High Efficiency Inactivated PED Vaccine'.
2020-12-02U.S. House of Representatives approved the HFCA Act.
2020-12-18HFCA Act signed into law.
2021-01-01Civil Code of the PRC became effective.
2021-01-01Network Data Security Management Regulations became effective.
2021-03-24SEC announced adoption of interim final amendments to implement HFCA Act submission and disclosure requirements.
2021-03-31Patent ZL202120651166.5 (Flame Sterilizer for Low Volume Glasswares) published.
2021-04-01Zhongyao Liu became Director, Vice General Manager, and Board Secretary of the operating entity.
2021-04-16Patent ZL202110408829.5 (An Easy-to-operate Double-container Device and Method for the Proportional Dilution of Solutions) published.
2021-04-16Patent ZL202110409020.4 (A Hand-held Shell Puncher for Embryonated Chicken Eggs) published.
2021-05-14Copyright No. 01338417, 01338418 published.
2021-05-15Measures for the Administration of the Business Operation of Veterinary Biological Products became effective.
2021-05-18Patent ZL202021302199.0 (A Make-Up Tank for Vaccine Production), ZL202021297863.7 (A Water Bath for Vaccine Production), ZL202021598646.1 (An Angle Adjustable Low-Temperature Storage Device for Vaccine), ZL202021599219.5 (An Anti-Collision Transport and Storage Device for Veterinary Vaccine) published.
2021-06-15Patent ZL201711107884.0 (Porcine Rotavirus Strain, the Inactivated Vaccine and its Application) published.
2021-06-21Use License of Experimental Animals SYXK 2021-0009 and SYXK 2021-0010 obtained.
2021-06-22U.S. Senate passed the Accelerating Holding Foreign Companies Accountable Act (AHFCAA).
2021-07-06Opinions issued by the General Office of the Central Committee of the Communist Party of China and the General Office of the State Council made public.
2021-07-07Trademark Registration No. 50312241 registered.
2021-07-23Patent ZL202021428550.0 (A High-Volume Mixer for Veterinary Disinfectant), ZL202021430170.0 (A Dilution Device for Veterinary Vaccine) published.
2021-08-07Trademark Registration No. 50346346, 50331020 registered.
2021-09-22PCAOB adopted a final rule implementing the HFCA Act.
2021-09-26Registration Certificate of New Veterinary Drugs for Subunit Vaccine of Porcine Circovirus Type 2 (Recombinant Baculovirus Strain OKM) issued.
2021-10-14Cooperative research agreement with Jilin University for 'Establishing the OFTu Immortalized Cell Line and its Application in Developing Ovine and Caprine Poxvirus Vaccine'.
2021-10-14Cooperative research agreement with Health Commission of Jilin Province and Jilin University for 'The Development of ASFV-PRV Nucleic Acid rapid Co-test Kit and its Application in the Quarantine of Cold-chain Pork'.
2021-10-14Patent ZL202122490625.9 (A Cell Culture Bottle that Can be Sampled Multiple Times) published.
2021-10-15Patent ZL202120600080.X (A Sealer for Discharge Pipe), ZL202120641694.2 (An Easy-To-Use Fertile Egg Candler) published.
2021-10-18Patent ZL202122501249.9 (A Liquid Dispenser with Damping Structure) published.
2021-11-23Patent ZL202120655608.3 (A Multi-Slot Egg Candler) published.
2021-11-09Patent ZL202120630917.5 (A Foot-Operated Pressurization Device For 10,000 Ml Bottle) published.
2021-11-01Wenbing Wang served as the senior vice president of finance of SPI Energy Co., Ltd.
2021-12-06Patent ZL202123045827.9 (Puncher for the Agarose Diffusion Method), ZL202123039252.X (A Device for Cleaning the Internal Mechanism of Small Fermentation Tanks) published.
2021-12-14Patent ZL202120616940.9 (A Steam Sterilizer) published.
2021-12-16PCAOB issued a report on its determinations that it is unable to inspect or investigate completely PCAOB-registered public accounting firms headquartered in mainland China or Hong Kong.
2021-12-28Cybersecurity Review Measures jointly promulgated by 13 governmental departments of the PRC.
2021-12-01Ping Wang became CFO of the operating entity.
2022-01-01Zhenfa Han reassumed the role of Chairman of the Board of the operating entity.
2022-01-10SEC adopted amendments to finalize rules implementing submission and disclosure requirements in the Holding Foreign Companies Accountable Act, effective January 10, 2022.
2022-02-15Cybersecurity Review Measures became effective.
2022-02-15Patent ZL202210137800.2 (A Portable Device and Method for Detecting Mycoplasma in Chicken Serum) published.
2022-03-28Trademark Registration No. 32030808 registered.
2022-05-31Certificate of Good Manufacturing Practices for Animal Drugs (2022) No. 07022 and Veterinary Drug Production Permit (2022) No. 07022 obtained, valid until May 30, 2027.
2022-08-01Patent ZL202222003543.1 (A Low-temperature Storage Device for Feline Herpesvirus Vaccine) published.
2022-08-03Patent ZL202222022892.8 (A Vessel for Culturing Cat Parvovirus) published.
2022-08-26CSRC, MOF, and PCAOB signed a Statement of Protocol governing inspections and investigations of accounting firms based in mainland China and Hong Kong.
2022-09-09Cooperative research agreement with Jilin University and Health Commission of Jilin Province for 'The Development of Combined VSV-SVV Nucleic Acid Rapid Test Kit and its Application in the Quarantine of Cold-chain Pork'.
2022-09-13Cooperative research agreement with Jilin University for 'The Development of Ovine and Caprine Contagious Pustular Virus mRNA Vaccine Based on Lipid Nanoparticle Technology'.
2022-09-13Cooperative research agreement with Jilin Agricultural University for 'The Development of Animal Microecological Vaccine for the Biological Control of African Swine Fever'.
2022-09-13Cooperative research agreement with Jilin Agricultural University and Jilin Provincial Center for Animal Disease Prevention and Control for 'The Development and Application of Rapid Visual Test Technology for Key Viral Diseases in Goslings'.
2022-09-16Cooperative research agreement with Jilin University for 'The Study of Rapid Visual Nucleic Acid Test of Various SARS-CoV-2 Mutants'.
2022-09-19Cooperative research agreement with Jilin Academy of Agricultural Sciences for 'The Development and Application of Fluorescent ERA Rapid Thermostatic Diagnostic Technology for Key Viral Diarrhea Diseases in Pigs'.
2022-09-20Cooperative research agreement with Jilin Institute of Animal Husbandry and Veterinary Medicine for 'The Preparation Process Study of Immunoglobulin Y against Rotavirus Disease in Herbivorous Animals and its Prophylactic Application'.
2022-09-01Jilin Zhengye renewed its HNTE tax status.
2022-11-07Registration Certificate of New Veterinary Drugs for Swine Pseudorabies Vaccine, Inactivated (Strain JS-2012gI/gE) issued.
2022-11-23Approval Number for Veterinary Biological Products for Subunit Vaccine of Porcine Circovirus Type 2 (Recombinant Baculovirus Strain OKM) issued.
2022-12-15PCAOB Board determined it was able to secure complete access to inspect and investigate registered public accounting firms headquartered in mainland China and Hong Kong.
2022-12-28Registration Certificate of New Veterinary Drugs for Subunit Vaccine of Porcine Circovirus Type 2 (Strain Recombinant Baculovirus OKM) issued.
2022-12-29Consolidated Appropriations Act, 2023 signed into law by President Biden, amending HFCA Act to reduce inspection period from three to two consecutive years.
2023-02-17China Securities Regulatory Commission (CSRC) promulgated the Trial Administrative Measures of the Overseas Securities Offering and Listing by Domestic Companies (Overseas Listing Trial Measures) and relevant five guidelines.
2023-02-24CSRC promulgated the Provisions on Strengthening Confidentiality and Archives Administration of Overseas Securities Offering and Listing by Domestic Companies (Confidentiality and Archives Administration Provisions).
2023-03-19Lease agreement for Room 2601, Unit 2, Building No. 12, Wanda Jiangpan Huacheng, Changyi District, Jilin, Jilin Province, effective until December 31, 2023.
2023-03-24Zhengye Cayman was incorporated as an exempted company with limited liability in the Cayman Islands.
2023-03-31Overseas Listing Trial Measures and Confidentiality and Archives Administration Provisions became effective.
2023-04-03VVAX Skyline was incorporated in the BVI as a wholly owned subsidiary of Zhengye Cayman.
2023-04-18Peg Biotechnology was incorporated in Hong Kong as a wholly owned subsidiary of VVAX Skyline.
2023-05-18Zhengye Cayman repurchased 100% of equity interests from original shareholders and issued 10,000,000 Ordinary Shares to Securingium Holding Limited.
2023-05-22Hainan Senhan was incorporated in the PRC as a wholly owned subsidiary of Peg Biotechnology.
2023-05-22Hainan Senhan acquired an aggregate of 58.689% of the equity interests in Jilin Zhengye from its original shareholders.
2023-05-23Songlin Song became Chief Executive Officer of Zhengye Biotechnology Holding Limited.
2023-05-23Wenhua Sun became Director of Zhengye Biotechnology Holding Limited.
2023-05-23Ping Wang became Chief Financial Officer of Zhengye Biotechnology Holding Limited.
2023-05-23Wei Lian became Vice General Manager of Zhengye Biotechnology Holding Limited.
2023-05-23Yuyou He became Vice General Manager of Zhengye Biotechnology Holding Limited.
2023-05-23Yuhong Cheng became Vice General Manager of Zhengye Biotechnology Holding Limited.
2023-05-30VVAX Skyline acquired 100% of the equity interests in Windsor Holdings from its original shareholders.
2023-06-20Hainan Senhan acquired an aggregate of 58.689% of the equity interests in Jilin Zhengye from its original shareholders.
2023-06-21Zhengye Cayman issued 570,830 Ordinary Shares to VVAX Holdings Limited, 569,688 Ordinary Shares to Vanguards Skyline Holdings Limited, 259,465 Ordinary Shares to TLjinmao Limited, and 16,611 Ordinary Shares to XZjinyuan Limited, completing the reorganization.
2023-08-09Application for Registration Certificate of New Veterinary Drugs for Feline Panleukopenia, FCV, Feline Viral Rhinotracheitis Triple Inactivated Vaccine received by the Ministry of Agriculture and Rural Affairs of the PRC.
2023-09-26Supplementary Material Request issued by the CSRC regarding planned overseas listing.
2023-09-30Ping Jiang, Wenbing Wang, and Jiayao Wu became Independent Directors.
2023-10-16Supplementary materials submitted in response to CSRC request.
2023-10-01Completed clinical trials for Feline Infectious Rhinotracheitis, Infectious Rhinoconjunctivitis and Panleukopenia Triple Vaccine, Inactivated.
2023-11-01ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, effective for fiscal years beginning after December 15, 2023.
2023-11-28Company entered into foreign currency swap contracts and cross-currency interest rate swap contract with a commercial bank.
2023-12-07China Minsheng Banking provided a working capital credit facility to the Company.
2023-12-19Patent ZL202111033109.1 (A Duck Tembusu Virus Live Vaccine Lyophilized Protectant: Preparation Method and Application) published.
2023-12-20Registration statement on Form F-1 (File Number 333-276436) declared effective by the SEC.
2023-12-31Exchange rate for Renminbi to U.S. dollar set at RMB7.2993 to US$1.00.
2024-01-01ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, became effective for fiscal years beginning after this date.
2024-01-08Company completed filing procedures with the CSRC.
2024-01-07Ordinary Shares commenced trading on the Nasdaq Capital Market under the ticker symbol ZYBT.
2024-01-08IPO of 1,500,000 Ordinary Shares closed at $4.00 per share.
2024-01-01Network Data Security Management Regulations became effective.
2024-03-20VVAX Holdings Limited transferred 399,581 Ordinary Shares to Visuccess Holding Limited.
2024-03-28Patent ZL202420807181.8 (A Column-Loading Device for Use in Purification Instruments) published.
2024-04-01Zhongyao Liu became Chief Operating Officer.
2024-04-01Submitted application for Registration Certificate of New Veterinary Drugs for Feline Infectious Rhinotracheitis, Infectious Rhinoconjunctivitis and Panleukopenia Triple Vaccine, Inactivated.
2024-04-30Yawen Dong and Wanlin Zhang retired as Vice General Managers.
2024-05-09Patent ZL202421662496.4 (A colony collection device) published.
2024-06-06Directors and shareholders approved a 1:4 share subdivision, changing par value from US$0.0001 to US$0.000025 per share and authorized shares from 500,000,000 to 2,000,000,000.
2024-08-29Short-term loan from Industrial Bank Jilin Branch matured.
2024-09-13Patent ZL202210137552.1 (A dilution device for the toxic strain in the research of pseudorabies virus vaccine) published.
2024-09-28CAC adopted the Network Data Security Management Regulations.
2024-11-01Negative List (2024) took effect.
2024-11-25JPY Loan from Industrial Bank Hong Kong Branch matures.
2024-12-08Short-term loan from China Minsheng Bank Jilin Branch matured.
2024-12-12Short-term loan from Industrial Bank Jilin Branch matured.
2024-12-23Veterinary Drug Operation Permit (2020) No. 07000099 and Veterinary Drug Business License (No. 07000099) valid until this date.
2025-01-01Network Data Security Management Regulations became effective.
2025-01-01ASU 2023-09, an update to Topic 740, Income Taxes, effective for public business entities for annual periods beginning after this date.
2025-01-04Short-term loan from China Minsheng Bank Jilin Branch matured.
2025-01-08Company repaid RMB3,000 (US$411) to China Minsheng Bank Jilin Branch.
2025-01-08Trademark Registration No. 79000991 registered.
2025-01-13Approval Number for Veterinary Biological Products for Swine Pseudorabies Vaccine, Inactivated (Strain JS-2012gI/gE) issued.
2025-01-14Underwriters exercised over-allotment option in full to purchase an additional 225,000 Ordinary Shares.
2025-01-27Loan of RMB145,986 (US$20,000) from Jiahe Developments limited fully repaid.
2025-01-30Short-term loan from Industrial Bank Jilin Branch matured.
2025-02-06Company entered into a loan agreement with China Minsheng Bank Jilin Branch for RMB3,000 (US$411).
2025-02-20Patent ZL202210673698.8 (An Evaluation Method for Virus Adsorption Capacity of Purification Media) published.
2025-02-21Company entered into a loan agreement with China Minsheng Bank Jilin Branch for RMB2,010 (US$275).
2025-02-26Ministry of Agriculture and Rural Affairs approved Live Vaccine for Mycoplasma bovis (Strain HB150) as a Category I New Veterinary Drug.
2025-03-17Amount due from Beijing Hanzhenyuan international hotel Co., Ltd. fully collected.
2025-03-21Company repaid RMB100 (US$14) to Industrial Bank Jilin Branch.
2025-03-24Ministry of Agriculture and Rural Affairs announced approval of a Pentavalent Inactivated Vaccine for poultry diseases as a Category I New Veterinary Drug.
2025-03-25Company entered into a loan agreement with Industrial Bank Jilin Branch for RMB21,900 (US$3,000).
2025-03-25Company entered into a loan agreement with Bank of Jinlin for RMB10,000 (US$1,370).
2025-03-25Company repaid RMB5,000 (US$685) to Industrial Bank Jilin Branch.
2025-03-25Company repaid RMB21,900 (US$3,000) to Industrial Bank Jilin Branch.
2025-03-28Beijing Zhongnong Zhengye Biotechnology Co., Ltd. (Beijing Zhengye) incorporated.
2025-03-31Company entered into a loan agreement with Industrial Bank Jilin Branch for RMB5,000 (US$685).
2025-04-01Company repaid RMB5,000 (US$685) to Industrial Bank Jilin Branch.
2025-04-01Company repaid RMB6,990 (US$958) to Industrial Bank Jilin Branch.
2025-04-21Patent ZL202211262956.X (A lyophilized heat-resistant protectant for vaccines, its preparation method and application) published.
2025-05-15Insider Trading Compliance Manual adopted.
2025-05-08Patent ZL2024 21662496.4 (A colony collection device) published.
2025-07-03Date of the Annual Report on Form 20-F filing.
2025-11-24Foreign currency swap contracts with Industrial Bank terminate.
2025-11-25Cross currency interest rate swap contracts with Industrial Bank terminate.
2025-12-15ASU 2023-09, an update to Topic 740, Income Taxes, effective for entities other than public business entities for annual periods beginning after this date.
2026-12-15ASU 2024-03, Income StatementReporting Comprehensive IncomeExpense Disaggregation Disclosures (Subtopic 220-40), effective for annual periods beginning after this date.
2027-12-15ASU 2024-03, Income StatementReporting Comprehensive IncomeExpense Disaggregation Disclosures (Subtopic 220-40), effective for interim periods within annual reporting periods beginning after this date.

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Keywords

Veterinary Vaccines, Animal Health, Biotechnology, China, Swine Vaccines, Poultry Vaccines, R&D, SEC Filing, Form 20-F, Nasdaq, Emerging Growth Company, Internal Controls, Corporate Governance, Risk Management, International Trade, Intellectual Property, Supply Chain, Customer Concentration

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