PI & PI BIOTECH INC.
Telephone020-81716320 17788709170
Websitehttps://www.paypaytech.com/
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Shanghai Tachizaki Biomedical Research Center
Telephone 18014399201
Websitehttp://www.chemlab-tachizaki.com/
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd
Telephone18502726233; 18502726233
Websitehttps://www.chemicalbook.com/supplier/25403897/
guoyungurui
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25521782/
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/
Guangzhou PI PI Biotech Inc
Telephone020-81716320 +86-13602409664
Websitehttp://www.pipitech.com/
Guangzhou Tosun Pharmaceutical Limited
Telephone +8618922120635
Websitehttp://toref-standards.com