Zhongshan Yuanyang Bio-pharmaceutical Technology Co., Ltd. is a leading Chinese chemical supplier special in fine chemicalpharmaceutical and intermediates. The company invests large fund and brains to R D department to research fine chemical, biochemical, pharmaceutical its intermediates products that fit the demand of the market. High level research group, advanced apparatus and good scientific atmosphere ensure the quality of R D. All the products in plant are the fruit of R D departm...