Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone043180534350 19917294565
Websitehttp://www.chemextension.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
SHAANXI?DIDEU?MEDICHEM CO.LTD
Telephone17691182729 17392216275
Website
