Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shanghai Ken chemical Technology Co.,ltd
Telephone13701870891; 02152215958
Websitehttp://www.kenchem.net/
Hefei Molybdenum Kai Pharmaceutical Technology Co., Ltd
Telephone18001872185; 18001872185
Websitehttp://www.yxjchem.com/
Shanghai Kangenbo Medical Technology Co., Ltd.
Telephone400-1388-521 17510465506
Websitehttp://www.kxychem.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/