Tongling HengYou Biotechnology Co., Ltd.
Telephone021-50426030 13856289449;13124863828
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16800/0_EN.htm
Shanghai Changyan Chem & Tech Co., Ltd.
Telephone021-20242659 18930833303
Websitehttp://www.changyanchem.cn
CASNO Chem Ltd.
Telephone86-13710190520
Websitehttp://www.casnochem.com
Zhengzhou Acme Chemical Co., Ltd.
Telephone0371-63315541 13323832564
Websitehttps://www.chemicalbook.com/ContactUs_30718.htm
Amel Pharmatech Corporation
Telephone027-888-4366503 13986279625
Websitehttp://www.amelpharmatech.com/
Henan Lien Chemical Products Co., Ltd.
Telephone0371-63357898 15378766539
Websitehttp://www.psaichem.com/
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shanghai Safer Pharmaceutical Technology Co., Ltd.
Telephone021-31761238
Websitehttp://www.saferph.com/index.aspx
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Hefei Molybdenum Kai Pharmaceutical Technology Co., Ltd
Telephone18001872185; 18001872185
Websitehttp://www.yxjchem.com/
Xi'an Zhengliu Biotechnology Co., Ltd
Telephone 15594552852
Websitehttp://www.xianzhengliu.com