Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Antai Fine Chemical Technology Co.,Limited
Telephone 18503026267
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1980510/0_EN.htm
Shaanxi Dideu Medichem Co. Ltd
Telephone029-81113294 15334517433
Websitehttp://www.dideu.cn
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com