Shanghai Xingui Biotechnology Co., Ltd.
Telephone17501653713 13661963922
Websitehttp://www.ansitan.com
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815987 13927875076
Websitehttp://www.wj-chem.com
Beijing Qinling Pharmaceutical Co., Ltd.
Telephone010-61241352 18901327973
Websitehttp://www.qlmed.com/
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone 18621169109
Websitehttps://www.meryer.com/
Hubei Danding Pharmaceutical Technology Co., Ltd
Telephone18917019315 18917019315
Websitehttp://www.hbdandingyy.com