Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone043180534350 19917294565
Websitehttp://www.chemextension.com
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-029-81148929 17792602132
Websitehttps://www.dideu.com
