Shanghai Hongye Biotechnology Co. Ltd
Telephone400-9205774
Websitehttp://www.glpbio.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Manhag Testing Technology Co., Ltd
Telephone020-3846 2365 19110442770
Websitehttp://www.bepurestandards.com/
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +86-13670046396
Websitehttps://www.qcsrm.com
TargetMol Chemicals Inc.
Telephone 4008200310
Websitehttps://www.targetmol.cn/
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Cayman Chemical Company
Telephone800-364-9897
Websitehttp://www.caymanchem.com
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/