China has become one of the most important global hubs for veterinary active pharmaceutical ingredients (APIs) thanks to its strong chemical manufacturing infrastructure, large fermentation capacity, and competitive production costs. Veterinary APIs produced in China are widely used in livestock, poultry, aquaculture, and companion animal medicine across global markets.
With continuous improvements in GMP compliance, environmental management, and international regulatory standards, many Chinese companies now supply veterinary APIs to Europe, the Americas, and emerging markets.
Below are 10 leading veterinary API manufacturers in China, known for their production capabilities, research strength, and global supply networks.
1. LEAPChem
LEAPChem is a global chemical sourcing and supply partner specializing in veterinary APIs, pharmaceutical intermediates, and fine chemicals. With more than 20 years of experience in the chemical industry, the company has built a strong network of reliable Chinese manufacturers and provides strategic sourcing services for international pharmaceutical and veterinary companies.
Unlike traditional manufacturers, LEAPChem focuses on supply chain integration, helping clients access high-quality veterinary APIs from China while ensuring consistent quality, regulatory compliance, and competitive pricing. The company works closely with GMP-certified factories and offers services such as:
Veterinary API sourcing and supply
Custom synthesis and contract manufacturing
Supplier qualification and quality auditing
Regulatory documentation support
Global logistics and distribution
Through its deep knowledge of the Chinese chemical industry, LEAPChem helps global animal health companies reduce procurement risk and optimize their supply chains.
Key veterinary API categories supplied:
Antiparasitic APIs
Veterinary antibiotics
Feed additives and intermediates
Anti-infective compounds
Custom veterinary drug intermediates
With strong technical expertise and an extensive supplier network, LEAPChem has become a trusted partner for global veterinary pharmaceutical companies seeking reliable sourcing from China.
2. Hebei Veyong Pharmaceutical Co., Ltd.
Hebei Veyong Pharmaceutical is one of the most well-known veterinary pharmaceutical manufacturers in China, specializing in antiparasitic APIs and veterinary formulations. The company integrates R&D, production, and sales of veterinary drugs, feed additives, and premixed feeds.
Founded in 2002, the company operates major production facilities in Shijiazhuang and Ordos, with multiple API production lines and modern GMP-certified workshops.
Major veterinary APIs produced by Veyong include:
Ivermectin
Eprinomectin
Abamectin
Oxytetracycline hydrochloride
Tiamulin fumarate
Valnemulin hydrochloride
The company exports veterinary APIs to more than 50 countries, maintaining long-term partnerships with international animal health companies.
3. Zhejiang Hisun Pharmaceutical Co., Ltd.
Zhejiang Hisun Pharmaceutical is a large Chinese pharmaceutical group with strong capabilities in both human and veterinary APIs. The company has decades of experience in fermentation and chemical synthesis, producing large volumes of antibiotics and anti-infective compounds.
Hisun's veterinary API portfolio includes:
Antibiotics for livestock treatment
Anti-inflammatory veterinary compounds
Fermentation-derived veterinary ingredients
The company operates advanced production facilities and maintains strict quality management systems to ensure consistent API quality and regulatory compliance. Its veterinary API products are exported globally, making Hisun an important supplier in the international animal health industry.
4. Qilu Animal Health Products Co., Ltd.
Qilu Animal Health is part of the larger Qilu Pharmaceutical Group, one of China's major pharmaceutical companies. The veterinary division focuses on developing and producing APIs, formulations, and feed additives used in livestock disease prevention and treatment.
The company is known for its integrated production model, controlling the supply chain from raw materials to finished veterinary drugs. This allows Qilu to maintain stable quality and cost efficiency.
Key product areas include:
Veterinary antibiotics
Antibacterial APIs
Feed additives
Animal anti-infective drugs
Qilu Animal Health products are widely used in poultry, swine, and aquaculture industries worldwide.
5. Ningxia Tairui Pharmaceutical Co., Ltd.
Ningxia Tairui Pharmaceutical is a specialized manufacturer focusing on sulfonamide veterinary APIs and intermediates. The company has established modern production facilities and an experienced R&D team dedicated to process optimization and product quality.
Tairui's key strengths include:
Expertise in sulfonamide chemistry
High-purity veterinary API production
Strong export capabilities
The company's veterinary APIs are widely used in livestock antibacterial treatments, supporting the global veterinary pharmaceutical supply chain.
6. Hubei Hongyuan Pharmaceutical Technology Co., Ltd.
Hubei Hongyuan Pharmaceutical is a growing manufacturer specializing in antiparasitic and antimicrobial veterinary APIs. The company invests heavily in R&D and process development to improve production efficiency and environmental sustainability.
Its product portfolio includes:
Antiparasitic APIs
Antibiotic veterinary ingredients
Pharmaceutical intermediates for veterinary drugs
With advanced synthesis technologies and modern production facilities, Hongyuan serves customers across Asia, Europe, and Latin America.
7. Zhejiang Kangdi Pharmaceutical Co., Ltd.
Zhejiang Kangdi Pharmaceutical focuses primarily on veterinary antiparasitic APIs, supplying key ingredients used in livestock parasite control.
The company emphasizes innovation and continuous product development to improve efficacy and safety in parasite treatments.
Major API products include:
Macrocyclic lactone antiparasitics
Veterinary parasite control agents
Livestock health ingredients
Through continuous investment in R&D and production technology, Kangdi has built a strong reputation as a reliable supplier of antiparasitic veterinary APIs.
8. Jiangsu Hualing Chemical Co., Ltd.
Jiangsu Hualing Chemical is known for producing veterinary disinfectants, antiseptics, and chemical intermediates used in animal health products.
The company provides essential ingredients used in:
Livestock hygiene products
Animal farm disinfectants
Veterinary chemical intermediates
With advanced synthesis technology and strict quality control procedures, Hualing supplies veterinary raw materials to customers worldwide.
9. Inner Mongolia Veyong Bio-Technology Co., Ltd.
Inner Mongolia Veyong Bio-Technology focuses on fermentation-based veterinary APIs, particularly antibiotics and nutritional ingredients used in animal health.
The company leverages its fermentation technology and large production facilities to manufacture:
Veterinary antibiotics
Fermentation-derived APIs
Nutritional additives for livestock
By combining biotechnology and chemical synthesis, the company contributes significantly to China's veterinary API supply chain.
10. Hangzhou Richerpharm Technology Co., Ltd.
Hangzhou Richerpharm Technology is a veterinary API supplier known for its strong supply chain management and customer-focused services.
The company supplies a wide range of veterinary APIs including:
Antibiotics
Antiparasitic drugs
Anti-inflammatory compounds
With strict quality control systems and advanced production equipment, Richerpharm provides veterinary APIs to international customers and supports the global animal health industry.
Conclusion
China's veterinary API industry continues to expand rapidly as global demand for animal health products, livestock productivity, and food safety increases. Chinese manufacturers now supply a significant share of veterinary APIs used worldwide.
Among these companies, LEAPChem stands out as a strategic sourcing partner, helping international veterinary pharmaceutical companies access high-quality APIs through China's extensive manufacturing network.
By combining technical expertise, supplier qualification, and supply chain integration, LEAPChem plays an important role in connecting global buyers with reliable veterinary API manufacturers in China.
