As the largest lens manufacturer in China, Shanghai Conant Optics is the only Chinese listed company. In 2009, according to Chinese customs statistics, we are No. 1 in terms of exporting lens quantity in China. We can always make sure high lens quality and in-time delivery from professional staff, advanced equipment and great material. Having registered with CE, FDA, ISO9001, our products are in compliance with most global quality standards. What is more, we have been supplying lenses to many world-known optical companies. We produce single vision, bifocal, progressive, photochromic(Grey, Brown), polarized(Grey, Brown and G-15), polycarbonate, tinted, RX lens(uncoated, hard coated, HMC, EMI, Super HMC) including free form, 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 have a leading lab with advanced equipments for the above RX lenses. We believe that we will easily earn your trust with our high quality, excellent pricing and on-time delivery. We sincerely hope that you would give us the opportunity to demonstrate our quality service to you.