Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shanghai Jieshikai Biotechnology Co. , Ltd.
Telephone021-57520305 13795461237
Websitehttps://www.jskchem.com
Huanuo Pharmaceutical Technology (Guangxi) Co., Ltd
Telephone 13005928603
Websitehttp://www.huanuoyy.com/
Shanghai Ken chemical Technology Co.,ltd
Telephone13701870891; 02152215958
Websitehttp://www.kenchem.net/