J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Aikon International Limited
Telephone025-58851090 13611564524
Websitehttp://www.aikonchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
Bejing Famous Pharmaceutical Technology Co., Ltd.
Telephone 13331045123
Websitehttp://www.peking-pharmacy.com