Finished&Semi Finished UC HC HMC EMI avaliable 1.499, 1.56 1.60 Semi Finished Short Corridor Progressive Lens As the largest lens manufacturer in China, Wan ... many world-known optical companies.We produce single vision, bifocal, progressive, photochromic(Grey, Brown), polarized(Grey, Brown ... HI-VEX lenses, with index of 1.499, 1.56, 1.60, 1.67, both in finished and semi-finished. At the same time, we ...