Hangzhou J&H Chemical Co., Ltd.
Telephone0571-87396432
Websitehttp://www.jhechem.com
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/
Zibo Biopolar Rongchuang Pharmaceutical Co. Ltd.
Telephone0533-6092686 13371592196
Websitehttp://www.bp-rongchuang.com/
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn