J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai Qiao Chemical Science Co., Ltd
Telephone021-58892003
Websitehttps://www.chemicalbook.com/supplier/10168672/1.htm
Shandong Xiya Chemical Co., Ltd.
Telephone4009903999 13395398332
Websitehttp://www.xiyashiji.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-029-89586680 +86-18192503167
Websitewww.dideu.com
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com
Shanghai Hongboshangyi Pharmaceutical Technology Co. , Ltd.
Telephone021-58999902
Websitehttp://www.pharmaresources.cn/ch/
