J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
XiaoGan ShenYuan ChemPharm co,ltd
Telephone15527621225; 15527621225
Websitehttp://www.farchem.com/
Yantai Boyun Biological Technology Co. Ltd
Telephone13793517650 13793517650
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList248599/0_EN.htm
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/