Yantai Dongcheng Biochemicals, is one of the largest biochemical API manufacturers in China. The company's products have been exported to more than fifty countries. Main products including Heparin Sodium, Chondroitin sulphate, Cytochrome C, Hyaluronic Acid, Collagen, and Glucosamine etc are in compliance with the EP, JP and USP. For Heparin Sodium, we have passed U.S. FDA site audit, German Hamburg GMP certificate, European CEP certificate. For Chondroitin sulphate, we have achieved FDA DMF registration number and European CEP certificate. Furthermore, YanTai DongCheng has passed SFDA GMP audit, and achieved DNV ISO9001 International Quality System certification.