Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Zhengzhou Convergence Chemical Co. LTD
Telephone0371-53736046 13393710386
Websitehttps://www.chemicalbook.com/supplier/23627897/
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
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/
