... 1.56 1.60 Semi Finished Short Corridor Progressive Lens As the largest lens manufacturer in China, Wan Xin Optical is ... are No. 1 in terms of exporting lens quantity in China. We can always make sure high ... vision, bifocal, progressive, photochromic(Grey, Brown), polarized(Grey, Brown and G-15), polycarbonate, tinted, RX lens(uncoated, hard coated ... .56 1.60 Semi Finished Short Corridor Progressive Lens