Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
Henan Huawen Chemical Co., Ltd
Telephone0370-0370-2059268 17550075363
Websitehttp://www.hnhwchem.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Shangqiu Ladybug Network Technology Co., LTD
Telephone0370-2070160 17550096163
Websitehttp://www.beicaichem.com
Shanghai Tachizaki Biomedical Research Center
Telephone 18014399201
Websitehttp://www.chemlab-tachizaki.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.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/
Guangzhou Tosun Pharmaceutical Limited
Telephone +8618922120635
Websitehttp://toref-standards.com