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
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81120477 17792793610
Websitehttp://www.dideu.cn
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com