J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Hongene Biotech Corporation
Telephone021-64757213
Websitehttp://www.hongene.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sinopharm Chemical Reagent Co,Ltd.
Telephone86-21-63210123
Websitehttp://www.reagent.com.cn
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone18521735133 18521732826;
Websitehttp://www.aladdin-e.com/
Sichuan Wei Keqi Biological Technology Co., Ltd.
Telephone028-81700200 18116577057
Websitehttp://www.weikeqi-biotech.com
Wuxi Zhongkun Biochemical Technology Co., Ltd.
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
Chengdu RunZeBenTu Chemical Co., Ltd
Telephone13096311329 028-88469284 616445927
Websitehttp://www.rzbtsj.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Wuhu Nuowei Chemical Technology Co., Ltd
Telephone0553-8233716 18055326116
Websitehttp://www.nuowei-chem.com
Chengdu RunZeBenTu Chemical Co., Ltd
Telephone028-88469284 18000562381
Websitehttp://www.rzbtsj.com
Shandong Xiya Chemical Co., Ltd.
Telephone4009903999 13395398332
Websitehttp://www.xiyashiji.com
Chengdu Dianchun Technology Co., Ltd
Telephone400-1166-196 18502815961
Websitehttp://www.hx-r.com
Anhui kuer Bioengineering Co., Ltd
Telephone0551-65171243 13810511747
Websitehttp://www.kuerhuaxue.com
Aikon International Limited
Telephone025-58851090 13611564524
Websitehttp://www.aikonchem.com
Shanghai Jizhi Biochemical Technology Co. Ltd.
Telephone400-400-400-9004166 18616739031
Websitehttp://www.acmec-e.com/
Shanghai Xianggeng Technology Development Co. Ltd.
Telephone021-021-56152668 18116302010
Websitehttp://www.sharingpharma.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
