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 Xin Optical is the only Chinese ... , RX lens(uncoated, hard coated, HMC, EMI, Super Hydrophobic) including free form, HI-VEX lenses, with index of 1.499, 1.56, 1.60, 1.67, both in finished and semi-finished ...