Manufacture and export infrared opticlenses and mirrorsfor laser marking, laser cutting and laser engraving. CO2 Focus Lens,Znse Lens,GaAs Lens, YAG Focus Lens, Silicon Reflector Mirror,MoMirror,10.6um Beam Expander, YAG Beam Expander, F_theta Scan Lens,Laser Rear Mirror, LassorOuput Coupler Material: (CVD)zinc selenide, zinc sulfide(ZnS), Germanium(Ge), silicon(Si), molybdenum(Mo), K9 and Fused Silica ect.