J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shandong Xiya Chemical Co., Ltd
Telephone4009903999 13355009207
Websitehttp://www.xiyashiji.com
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Zhengzhou Acme Chemical Co., Ltd.
Telephone0371-0371-55629727 13323845623
Websitehttp://www.acmechem.cn
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20）
Websitehttp://www.onochem.com
Aikon International Limited
Telephone025-58859352 18068836627
Websitehttp://www.aikonchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone021-51816796-820 13611835272
Websitehttp://www.sunwaypharm.com/
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-021-61109150
Websitehttps://www.tcisct.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81148696 18161915376
Websitehttp://www.dideu.cn
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 18021050169
Websitehttp://www.aladdin-e.com/
