Shenzhen Jianxing Pharmaceutical Technology Co., Ltd.
Telephone0755-28836405 18025430216
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1964911/0.htm
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/
Guangzhou Tosun Pharmaceutical Limited
Telephone +8618922120635
Websitehttp://toref-standards.com