Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd
Telephone 15850510341
Websitehttp://www.wzxchem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
guoyungurui
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25521782/