22 years, we have been specializing in the production of high purity metals (5N, 6N, 7N) and compounds : Tellurium(Te), Cadmium(Cd), Sulfur(S), Antimony(Sb), Bismuth(Bi), Indium(In), Plumbum(Pb) Selenium(Se), Stannum(Sn) , Zinc(Zn) ; High Purity Compounds: Bismuth Selenide (Bi2Se3); Bismuth Tritelluride (Bi2Te3); Dibismuth Trioxide (Bi2O3) ; Bismuth Trisulfide (Bi2S3); Cadmium Selenide (CdSe) ; Cadmium Sulfide (CdS) ; Cadmium Telluride(CdTe); Gallium Arsenide (GaAs); Gallium Trisulfide (Ga2S3); Indium Selenide (In2Se3) ; Indium Telluride(InTe); Zinc Oxide (ZnO) ; Tellurium Dioxide (TeO2); Zinc Telluride (ZnTe); Indium(I) chloride(InCl); Indium chloride(InCl3);</p>