Changde Yungang Biotechnology Co., Ltd. is an export-oriented hi-tech enterprise; we are mainly engaged in the research, development, manufacturing and trade of pharmaceutical intermediates. Staring from the innovations of technology and product, Yungang is striving to develop new products and technologies; we are working hard for promoting its competitive force and sustainable developing capacity. Led by Deng Jiaguo (the founder and general manager of Yungang), we adopt the latest technologies to produce ursodeoxycholic acid and chenodeoxycholic acid serial products. The preparation method of chenodeoxycholic acid has passed the authentication of technical achievement of our province and got several Chinese patents. At present, our ursodeoxycholic acid can meet the standards of CP, USP and JP; Meanwhile, we also offer other specifications of products to customers with special requirements. Now, our main products including Ursodeoxycholic acid, chenodeoxycholic acid, Hyodeoxycholic acid, Cholic acid, Deoxycholic acid, Dehydrocholic acid and bacteria quarantine series such as bile salts of cow, bile salts 3, bile salts of fowl, cattle goll powder, bile powder of pig, deoxidization sodium cholate, and so on. Relying on the excellent strength of Chinese hi-tech enterprise and upholding such idea and culture spirit of "Honest, Unity, Be practical, be enterprising, be creative", we are working for customers' demands. Yungang looks forward to cooperating with you.