Huangyan Yannian Pharmaceutical Chemical Co., Ltd., founded in 1995, is engaged in the R & D, manufacture and sales of pharmaceutical intermediates, APIs and health products.
    With the continuous growth of the company, we established Taizhou City Huangyan Dongsheng Pharm Chem Co., Ltd. in the year 2002, and with self-support imp. & export power, we have since strengthened our direct contact and close cooperation with customers from around the world.
    In 2006, we founded Chizhou Dongsheng Pharmaceutical Co., Ltd. in Anhui Province, which was approved by ISO9001 and 14000. In the same year, through joint investment, we built GMP workshop in Hangzhou Bay in Shangyu City, Zhejiang province.