Kai Yuen

Zhejiang Kaiyuen Pharmaceutical is a specialized pharmaceutical company based in China that focuses on the development, manufacture, and global distribution of active pharmaceutical ingredients (APIs) and finished dosage forms. The company is particularly recognized as one of the world's largest producers of metformin hydrochloride, a foundational treatment for type 2 diabetes. Beyond its core metabolic portfolio, Kaiyuen produces a variety of other APIs including gliclazide and various cardiovascular agents. The company operates large-scale manufacturing facilities that comply with international quality standards, including GMP certifications from the FDA, EDQM, and other global regulatory bodies. Kaiyuen serves as a critical supplier to major multinational pharmaceutical companies and maintains a significant presence in both domestic and international markets.