J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Synchem Pharma Co., ltd
Telephone21-619849051-1 18521059765
Websitehttp://www.synchem-pharma.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Hangzhou Huarong Pharm Co., Ltd.
Telephone571-86758373 +8613588754946
Websitehttps://www.huarongpharm.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/