J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Nanjing Datang Pharmaceutical Technology Co., Ltd.
Telephone025-84341491 13951930983
Websitehttp://www.datangpharmatech.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/