ATK CHEMICAL COMPANY LIMITED
Telephone021-51619050 13301662590
Websitehttp://www.ATKchemical.com
Amel Pharmatech Corporation
Telephone888-4366503
Websitehttp://www.amelpharmatech.com/
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
Nanjing Bic Biotechnology Co., Ltd
Telephone025-58906079 17352406906
Websitehttps://www.bicbiotech.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/