optical component, glass lens- (1) LCD & LCOS projector optical components- color filters, grandient coating dichroic mirrors, x-cube, anti-reflection lens coating, UV ( ultraviolet) & cut filters, spherical lens. (2) traditional & digital camera optical components- cover glass, reflector, lensmask, optical lens coating, flash window, plastic lens. (3) View Finder module- View Finder window, IR ( infrared) filters, lens mask, half-reflector. (4) cell phone module set & optical components- VGA, CIF, cover glass, IR ( infrared) cut filters. (5) astronomical telescopes- UV ( ultraviolet) & IR ( infrared) cut filters, spherical lens. (6) others injection optical components- mirrors for barcode reader, connector for fiber communication, spherical lens. (7) anti-reflector, beam splitters, blue filters,...