Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Yantai ShengKailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttp://www.sklnchem.cn
Shandong Youfu Pharmaceutical Technology Co., Ltd.
Telephone+86-0536-8226195 +86-13953676784
Websitehttp://www.unipharm-sd.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Yantai Sheng Kai Lun Biological Products Co. , Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn