J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Combiphos (Shanghai) Biological Technology Co., Ltd.
Telephone021-65232103 17602124823
Websitehttp://www.combiphos.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Weiyite Biotechnology Co., Ltd
Telephone 15317051735
Websitehttp://www.wytsci.com
Xibiao (Shanghai) Technology Co., Ltd
Telephone18512111473 18512111473
Websitehttps://www.xibiao-tech.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
