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);