Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai zhigan biotechnology co., LTD
Telephone
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31144/0_EN.htm
Changzhou Xuanye Technology Co., Ltd
Telephone 15195022192;
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList152306/0_EN.htm
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone13611835272 13611835272
Websitehttp://www.sunwaypharm.cn/
Hangzhou Sulfuchem Material Technology Co., Ltd.
Telephone0571-86113725 15372021306
Websitehttp://www.sulfuchem.com/