J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Shanghai isotope chemical co.,ltd
Telephone021-021-51600108 13062666369
Websitehttps://www.chinaisotope.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
Websitehttp://www.synzest.com
TargetMol Chemicals Inc.
Telephone 15002134094
Websitehttps://www.targetmol.cn/
Shanghai Weiyite Biotechnology Co., Ltd
Telephone 15317051735
Website
