J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
ChemShuttle, Inc.
Telephone83588313 18800520310
Websitehttps://www.chemshuttle.com/
Taizhou Chuanxu Pharmaceutical Technology Co., Ltd.
Telephonechuanxupharma@126.co 15165038510
Website