... 1.56 1.60 Semi Finished Short Corridor Progressive Lens As the largest lens manufacturer in ... have been supplying lenses to many world-known optical companies.We produce single vision, bifocal, progressive, photochromic(Grey, ... EMI, Super Hydrophobic) including free form, HI-VEX lenses, with index of 1.499, 1.56, 1 ... with advanced equipments for the above RX lenses. We believe that we will easily earn ...