Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Shanghai GL Peptide Ltd.
Telephone+86-21-61263340; 17609490614 13764994101
Websitehttps://www.chemicalbook.com/supplier/10480342/
Binhai gill polypeptide co. LTD
Telephone021-61263389 13524856427
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList326362/0.htm
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/