J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
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
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
LGC Science (Shanghai) Ltd.
Telephone17717235263
Websitehttps://www.lgcstandards.com/CN/en/
