J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
BePharm Ltd
Telephone400-685-9117
Websitehttp://www.bepharm.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/