... Conant Optics is the only Chinese listed manufacturer in the optical lens industry. In 2009, according to Chinese customs statistics, we are ... -15), polycarbonate, tinted, RX lens(uncoated, hard coated, HMC, EMI, Superhydro) including free form, HI-VEX lenses, with index of 1.499 ... a leading lab with advanced equipments for the above RX lenses. We believe that we will easily earn your trust with ...