Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
Binhai gill polypeptide co. LTD
Telephone021-61263389 13524856427
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList326362/0.htm
Shenzhen Excellent Biotech Co., Ltd.
Telephone13480692018
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1588779/0.htm
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/