DC Chemicals
Telephone021-58447131 13564518121
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList927327/0.htm
Suzhou Haiben Pharmaceutical Co., Ltd
Telephone14760821013 14760821013
Website
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/