Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Jinan Kabotang Biological Technology Co.,Ltd.
Telephone0531-61320525 15866703830
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30553/0.htm
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.catorm.com/
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/
