Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
Shandong fen Boyu Biotechnology Co.,LTD
Telephone13356310019 13356310019;
Websitehttps://www.chemicalbook.com/supplier/25479786/
Shanghai Yanfen Biochemical Technology Co.,LTD
Telephone13611955358 15002190549
Websitehttp://www.yanfenbio.com/
Affinity Linkers Ltd.
Telephone15841022315 15841022315
Websitehttps://precisepeg.com/