J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006608290; 18621169109
Websitehttps://www.meryer.com/cn/index/
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696;
Websitehttps://www.hanhongsci.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400 638 7771
Websitehttp://www.heowns.com
Shanghai Nuohey Chemical Co., Ltd.
Telephone021-52212593 13761626812
Websitehttp://www.nuohey.com
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Shanghai Ruji Biology Technology Co., Ltd.
Telephone+86-21-65211385-8001 36031160
Websitehttp://www.chinaruji.com/
TargetMol Chemicals Inc.
Telephone021-33632979 15002134094
Websitehttps://www.targetmol.cn/
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
ShangHai Biochempartner Co.,Ltd
Telephone17754423994 17754423994
Websitehttps://www.biochempartner.com
Zhengzhou Alfa Chemical Co.,Ltd
Telephone +8618530059196
Websitehttps://www.chemicalbook.com/manufacturer/zhengzhou-alfa-chemical-276/
AFINE CHEMICALS LIMITED
Telephone0571-85134551
Websitehttp://www.afinechem.com/index.html
CONIER CHEM AND PHARMA LIMITED
Telephone +8618523575427
Websitehttp://www.conier.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Wuhan Topule
Telephone+86-02787215551 +86-19945035818
Websitehttp://www.topule.com/
Hubei Kele Fine Chemical Co., Ltd
Telephone027-59101668 19945030958
Websitehttp://www.kerle.cn
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone17691182729 18161915376
Websitehttp://www.dideu.cn
