A leading manufacturer of research chemicals, metals and materials including high purity inorganics, organics and organometallics, precious compounds and catalysts, rare earth compounds and metals, labware and more.
URL: http://www.alfa.com/en/cas/281-23-2 in English [Translate]
Liaoning Yingfa Pharmaceutical & Chemical Co.,Ltd. is an enterprise integrating the manufacture and R&D of fine chemicals and pharmaceutical intermediates.
URL: http://www.yppharm.com.cn/pages/proe.htm in English [Translate]