J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Cochemical Ltd.
Telephone029-86115547 17791676824
Websitehttp://www.cochemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Henan Lien Chemical Products Co., Ltd.
Telephone0371-63357898 15378766539
Websitehttp://www.psaichem.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shaanxi Dideu Medichem Co. Ltd
Telephone029-029-81124267 15229202216
Websitehttps://www.dideu.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
Anhui Henuo Biotechnology Co., Ltd
Telephone18455579438
Websitehttp://www.honochem.com
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn