Shanghai Changyan Chem & Tech Co., Ltd.
Telephone021-20242659 18930833303
Websitehttp://www.changyanchem.cn
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Baimei Jihua (Henan) Pharmaceutical Technology Co., Ltd
Telephone0371-88900765 18037465274
Websitehttp://www.baimeijihua.com
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shanghai Xinketai Biotechnology Co., Ltd
Telephone 18043446684
Website