High purity compound 1.Customized according to customer requirements, 2.Test: ICP-Ms, X-Ray, 3.>10 year's experience; We're a company which specialized in high purity metals and realted compound. As we do over ten kind of metals , so we have ability to do the related compound easily and confirm the compound purity grade.Products list :1.Telluride production:99.99%,99.999%CdTe, ZnTe,PbTe,SnTe, ...