J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006356688 18621169109
Websitehttp://www.x-labseek.com/
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone+86-0571-88938639 17705817739
Websitehttps://www.dycnchem.com/
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-87569262 +86-15003564040
Websitehttps://www.dideu.com
Antai Fine Chemical Technology Co.,Limited
Telephone 18503026267
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1980510/0_EN.htm
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81120477 17792793610
Websitehttp://www.dideu.cn
GIHI CHEMICALS CO.,LIMITED
Telephone+86-571-86217390; +8618058761490
Websitehttps://www.gihichem.com/