J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
TCI (Shanghai) Development Co., Ltd.
Telephone021-67121386
Websitehttps://www.tcichemicals.com/CN/zh/
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Shanghai Macklin Biochemical Co.,Ltd.
Telephone 15221275939
Websitehttp://www.macklin.cn
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Lynnchem
Telephone86-(0)29-85992781 17792393971
Websitehttp://www.lynnchem.com/
Zhengzhou Huiju Chemical Co., Ltd.
Telephone0371-0371-55900031 18137872243
Websitehttps://www.chemicalbook.com/supplier/11124122/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Hongshun Biological Technology Co., Ltd.
Telephone15901914505 15901914505
Websitehttps://www.chemicalbook.com/supplier/15112671/
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone 18621169109
Websitehttps://www.meryer.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn