Santai Labs, Inc.
Telephone519-85601385
Websitehttp://www.santailabs.com
Shanghai Changyan Chem & Tech Co., Ltd.
Telephone021-20242659 18930833303
Websitehttp://www.changyanchem.cn
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-81120477 17792793610
Websitehttp://www.dideu.cn
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone +8617705817739
Websitewww.dycnchem.com