Chembest Research Laboratories Limited
Telephone021-20908456
Websitehttp://www.BioChemBest.com
Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttp://gb.chemexpress.com.cn
LETOPHARM LIMITED
Telephone+86-21-5821 5861
Websitehttp://www.letopharm.com
Guangzhou QiYun Biotechnology Co., Ltd.
Telephone020-61288194 61288195
Websitehttp://www.gzqiyun.com
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Beijing Jin Ming Biotechnology Co., Ltd.
Telephone010-60605840
Websitehttp://www.jm-bio.com/
Cato Research Chemicals Inc.
Telephone81960175-877 18933936954
Websitehttps://www.cato-chem.com/