Shenzhen Regent Biochemical Technology Co., Ltd.
Telephone0755-85201366 18938635012
Websitehttp://www.regentsciences.com/
Shanghai Minhan Pharmaceutical Technology Co., Ltd.
Telephone 17612188245
Websitehttp://www.suppliers.integle.com
Zhengzhou Converging Chemical Co. LTD
Telephone0371-53399770 18037166334
Websitehttps://www.chemicalbook.com/supplier/24218235/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/