J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Beijing Ouhe Technology Co., Ltd
Telephone010-82967028 13552068683
Websitehttp://www.ouhechem.com/
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Infinity SCI
Telephone400-400-1062016 17800804092
Websitehttp://www.infsci.com
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20）
Websitehttp://www.onochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangdong Wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2886766 13927870850
Websitehttp://www.wj-chem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangdong Fangxin Biotechnology Co., Ltd.
Telephone0751-2838688 13376594225
Websitehttp://www.fangxinsw.com/
Shaanxi Xihua Chemical Industry Co., Ltd
Telephone17691182729 15529505138
Website
Huangshi Bo’Er Chemical Co., Ltd.
Telephone0714-6401888 18671400300
Websitehttp://www.porchemical.com
Guangdong Shengke Biochemical Technology Co., Ltd.
Telephone189-25112307 18925113981
Websitehttps://www.sk-chem.cn
