J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Run-Biotech Co., Ltd.
Telephone021-57171705 13817537615
Websitehttp://www.run-biotech.com
Xinyi Kaiwu Chemical Technology Co., Ltd.
Telephone0516-0516-88997009 18651776937
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31212/0_EN.htm
Yuzhou Enthalpy Carbon Pharmaceutical Technology Co. LTD
Telephone19963477321; 19963477321
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList827404/0_EN.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Changzhou Qianai Biotechnology Co., Ltd
Telephone051915240519135 13961152745
Website
SHAANXI?DIDEU?MEDICHEM CO.LTD
Telephone17691182729 17392216275
Website
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/