Founded in 1987, Shanghai Ziyuan Pharmaceutical Co.,Ltd. is the first pharmaceutical materials manufacturing factory in Shanghai held by Shanghai No. 1 Biochem. & Pharma.CO.,Ltd.. Our company owns independent manufacturing license for drugs. Registration and production place is located in 749 Guanghua Rd., Zhuanqiao town of Minxing district in Shanghai. Production system has received certificate of GMP certification of State Food and Drug Administration and C-GMP certification of US FDA. Scope of production and business：Dobutamine hydrochloride , ethylenediamine diaceturate, adenosine cyclophosphate etc.. Dobutamine hydrochloride was certificated by US FDA in 1994 and received reexamination of US FDA in 1996. And in 2003 it passed the reexamination of US FDA again. Besides, our company's new drug, FOSPHENYTOIN SODIUM, was registered in US, India and Canada and exported to US, Australia, Canada and India etc..