shanghai cooperpharm co.,LTD .
Telephone+86-021-58975553
Websitehttp://www.cooperpharm.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Zhengzhou convergence chemical co., LTD
Telephone0371-0371-55153829 18003835034
Websitehttps://www.chemicalbook.com/supplier/24021783/
Beijing Stronger Science Co., Ltd.
Telephone0531-88924771 15614660963
Websitehttps://www.nuoxiansheng.com/
Shanghai He-H Chemical Technology Co., Ltd
Telephone 18621911604
Websitehttp://heh-chem.com/