Pengzhou Maoyuan Biochemical Technology Co., Ltd., founded in 2000, is a modern ISO9001&14001 certified manufacturer with main products: Camptothecin,andrgraphis extract, bergenin, rutin,7-ethylcamptothecin, 10-hydroxycamptothecin, 7-ethyl-10-hydroxycamptothecin(SN-38),resveratrol,andrographolides. Maoyuan biochem's GMP practice plant locates in Pengzhou Industrial Development Zone, and lies in the raw material supplying base of Mappia, andrographis paniculata herb and naturl polygonum cuspidatum, so Maoyuan has its unique location advantage. After more than 15 years’ growth, now it has mature OHSMS,advanced processing & testing equipment,scientific & effective innovation system and a group of professional talented people.