Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973186 4009686088
Websitehttp://www.solarbio.com
Shanghai wencai New Material Technology Co., Ltd.
Telephone 15721586846
Websitehttp://wencai-nm.com/
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-021-61109150
Websitehttps://www.tcisct.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-81120477 17792793610
Websitehttp://www.dideu.cn