Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Nanjing Jianao Pharmaceutical Technology Co., Ltd.
Telephone18915922978
Website
Shanghai Shengxiu Biotechnology Co., Ltd.
Telephone 13761144602
Website
HENAN QINGGUI NEW MATERIAL SCIENCE AND TCCHNOLOGY LIMITED COMPANY
Telephone00-18037331-859 18037331859
Websitehttp://qgxcl.webh.testwebsite.cn/