Polarized lens Material : CR39 from PPG Finished: Plano, Decentered ... sure high lens quality and in-time delivery from professional staff, advanced equipment and great material. Having ... global quality standards. We have been suppling lens to many world-known optical companies.We produce ... (Grey, Brown and G-15), polycarbonate, tinted, RX lens(uncoated, hard coated, HMC, EMI) including free form, ...