Tetranov Biopharm
Telephone 13526569071
Websitehttp://www.leadmedpharm.com/index.html
Shanghai ShiXian Chemical Technology Co., Ltd.
Telephone 13764359345
Websitehttps://www.arapharm.com.cn
Shanghai Ken chemical Technology Co.,ltd
Telephone13701870891; 02152215958
Websitehttp://www.kenchem.net/
Henan Rane Chemical Co., Ltd.
Telephone+86-18738066252; +86-18738066252
Websitehttps://www.ranechem.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/