Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-81148929 13186179623
Websitehttps://www.dideu.com