J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Combiphos (Shanghai) Biological Technology Co., Ltd.
Telephone021-65232103 17602124823
Websitehttps://www.combiphos.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
Changzhou Bojia Biomedical Technology Co., Ltd.
Telephone 2122619822
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList849747/0.htm
Shanghai Easy CDMO Co.,Ltd
Telephone021-61734564
Website
Xi'an Ruipuyuan Biotechnology Co., Ltd
Telephone029-18909235869 18909235890
Websitehttp://www.rpybiotech.com