Shanghai GL Peptide Ltd.
Telephone+86-21-61263340; 17609490614 13764994101
Websitehttps://www.chemicalbook.com/supplier/10480342/
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/
Bide Pharmatech Ltd.
Telephone400-6005915
Websitehttps://www.picasso-e.com/
Aikon International Limited
Telephone 18626450290
Websitehttp://www.aikonchem.com
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone +86-18521732826
Websitehttp://www.aladdin-e.com/
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +8613336024896
Websitehttps://www.aromsyn.com/