J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
ATK CHEMICAL COMPANY LIMITED
Telephone021-51619050 13301662590
Websitehttp://www.ATKchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Amel Pharmatech Corporation
Telephone888-4366503
Websitehttp://www.amelpharmatech.com/
Wuhan Acumen Bio-Technology Co.,ltd
Telephone027-027-16602739303 16602739303
Websitehttps://www.chemicalbook.com/supplier/25442898/