J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Sichuan BaiPeng Biotechnology Co., Ltd.
Telephone028-65791793 18140026355
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList20202/0.htm
Shanghai Amico Chemicals Co. LTD
Telephone 18019252918
Websitehttp://www.amkchem.com
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126 15976997964;
Websitehttp://www.aobchem.com.cn/