J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shandong Mingde Biotechnology Co., Ltd
Telephone 18560864701
Websitehttp://www.jiuyueshengwu.com/
Beijing Keyi Tongda Technology Development Co., Ltd
Telephone 17743531240
Website
Shaoyuan Technology (Shanghai) Co., Ltd.
Telephone021-50795510 4000665055
Websitehttp://www.shao-yuan.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Shanghai Hetan Pharmaceutical Technology Co., Ltd.
Telephone 18513862380
Website
Hangzhou MolCore BioPharmatech Co.,Ltd.
Telephone+86-057181025280; +8617767106207
Websitehttps://www.molcore.com/
