Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Artis Biotech Co. Ltd.
Telephone19138486554 18582380095
Websitehttp://www.artisbiotech.com/
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Manhag Testing Technology Co., Ltd
Telephone020-020-3846236 17688849268
Websitehttp://www.bepurestandards.com/
PureChemland Co.,Ltd.
Telephone 19150123681
Websitehttp://www.purechemland.com/
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
Websitehttp://www.synzest.com
