Hangzhou yongxin optical & electrical instrument co.,ltd.

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 t... [详细介绍]