J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Henan CoreyChem Co., Ltd
Telephone0371-86658258
Websitehttp://www.coreychem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Jiaxing Zhejia Biotechnology Co., LTD
Telephone0573-85609002 18367600069;
Websitehttp://www.jxzj.cc/
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
Changzhou Extraordinary Pharmatech co., LTD.
Telephone0519-82111935 15195055733
Websitehttp://www.feifanchem.com