We are Zhejiang Liaoyuan Pharmaceutical Co.,Ltd,a specialized API and Intermediates manufacturer in China. focused on thiophene derivative synthesis since the establishment of our company 1994,with nearly 15 years experience manufacturing marketing, ...

We,Dongwoo, have started our business from 1994 as a stock seller in fields of pharmaceutical raw materials Korea and doing with many Korean manufacturing companies at this time. For the supplying more good quality products to customers, we established ...