Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
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 Aladdin Bio-Chem Technology Co.,LTD
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-81120477 17792793610
Websitehttp://www.dideu.cn
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Hubei Moco Chemical Co., Ltd.
Telephone 18627756402
Websitehttp://www.molcoo.com/
