Beijing FYF Chemicals Co., Ltd
Telephone010-61647239; 15318973357
Websitehttp://www.fyfchem.com
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shanghai Xiushi Biomedical Co., LTD
Telephone15021598081,571034478; 15021598081
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1986421/0.htm
Beijing Stronger Science Co., Ltd.
Telephone0531-88924771 15614660963
Websitehttps://www.nuoxiansheng.com/