J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Henan Pusai Chemical Products Co., Ltd.
Telephone0371-63357898
Websitehttp://www.psaichem.com
Henan Weitesi Chemical Technology Co. LTD
Telephone0371-55135753 18003832934
Website
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
