J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Anmike Chemical Co. Ltd.
Telephone 18019252918
Websitehttp://www.amkchem.com 微信:17321281695
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/