Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Bejing Famous Pharmaceutical Technology Co., Ltd.
Telephone010-80339217; 13331045123
Websitehttp://www.peking-pharmacy.com
Jinan Carbotang Biotech Co.,Ltd.
Telephone +8615866703830
Websitehttps://www.chemicalbook.com/manufacturer/jinan-carbotang-biotech-107/
HUNAN CHEMFISH SCIENTIFIC CO.,LTD
Telephone0731-85567275 19073112098
Websitehttp://www.chemfish.com/
Shandong Bailong Pharmaceutical Co., Ltd.
Telephone15562090112
Websitehttp://www.bailongpharm.com/about/id/1.html
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Henan Rane Chemical Co., Ltd.
Telephone+86-18738066252; +86-18738066252
Websitehttps://www.ranechem.com/