Thanks to increasing demand for speedy fabrication in substrate products for semiconductor, optoelectronic, MEMS and other applications, we are greatly expanding our exporting sales in optical element, laser lens, high-accuracy large-caliber optical element. Nowadays, we provide all kinds of materials, such as Si, Ge, ZnSe, ZnS, CaF, BaF, MgF, GaAs, Quratz glass, Sapphire, YAG Crystal, Optical glass and other infrared optical materials.