Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Zhengzhou Convergence Chemical Co. LTD
Telephone0371-53736046 13393710386
Websitehttps://www.chemicalbook.com/supplier/23627897/
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-80514535 19917294565
Websitehttp://www.chemextension.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/
