J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Qiao Chemical Science Co., Ltd
Telephone021-58892003
Websitehttps://www.chemicalbook.com/supplier/10168672/1.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Telephone 4008-099-669
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList112975/0.htm
Hubei Danding Pharmaceutical Technology Co., Ltd
Telephone18917019315 18917019315
Websitehttp://www.hbdandingyy.com
