Tianan Pharmaceutical

Tianan Pharmaceutical, headquartered in Guiyang, China, is a specialized pharmaceutical company primarily focused on the development and production of oral hypoglycemic agents for diabetes management. A subsidiary of China Resources Sanjiu (CR Sanjiu), the company is well-known for its flagship metformin products, including sustained-release formulations sold under the brand name 'Gentai'. Beyond its core diabetes portfolio, the company produces treatments for cardiovascular conditions and other metabolic disorders. Tianan Pharmaceutical operates modern GMP-certified manufacturing facilities and maintains a robust commercial presence throughout the Chinese market.