Stanford Advanced Materials (SAM) is a global supplier of a series of pure metals, alloys, ceramics and minerals such as oxides, chlorides, sulfides, oxysalts, etc. SAM now specializes in both high-purity chemicals (up to 99.99999%) for research institutes and technical grade materials for advanced industries. More informaton please enter our website: http://www.samaterials.com/ Or send email to us:sales@SAMaterials.com