3A Chemicals
Telephone400-668-9898
Websitehttp://www.3achem.com
Shanghai Minhan Pharmaceutical Technology Co., Ltd.
Telephone 176121882
Websitehttp://www.suppliers.integle.com
Zhengzhou Convergence Chemical Co. LTD
Telephone0371-0371-53736046 13393710386
Websitehttps://www.chemicalbook.com/supplier/23627897/
Shaanxi Istare Biotechnology Co., Ltd.
Telephone18682931470; 18682931470
Websitehttp://www.istarepharm.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/