Yifan Pharmaceutical Co., Ltd. engages in the research, development, production, sale of pharmaceutical products, active pharmaceutical ingredients and polymer materials. It provides blood tumors, gynecology, pediatrics, skin, orthopedic drugs, phosphate buffered saline, polyvinyl butyral products, vitamin B5 and original B5. The company was founded on November 10, 2000 and is headquartered in Hangzhou, China.