J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Hubei wei shi reagent group ltd., company
Telephone027-59105166 13125137732
Websitehttps://www.4008081911.com
Wuhan WinYuanBei Trading Company
Telephone86-13349903920; 13349903920
Websitehttp://www.yyb-chem.com
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-81148929 13186179623
Websitehttps://www.dideu.com
Hubei wei shi reagent group ltd., company
Telephone027-59102966 18717199209
Websitehttps://www.4008081911.com