We    manufacture  glass  aspherical  and  spherical condense, reflector,  lenses; filter, projector  lenses, , telescope ,microscope etc:
(1)     glass   aspherical  products :  glass  aspherical   condenser ,                                                   reflector, glass  aspherical lenses (paraboloidal , hyperboloidal,  cylindrical,   ellipsoidal)
(2) large  diameter spherical lenses :?40mm??200mm
(3) projector lenses: effective  aperture  more  than ?60mm
(4) multicoating:  wide-band  increased transmisson layer, high reflection  reflecting layer(reflection more than 90%), wave-band filter
(5) telescope: 8 x 42 binocular  pechan prism telescope