Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd
Telephone18502726233; 18502726233
Websitehttps://www.chemicalbook.com/supplier/25403897/
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/
