Round Top Bifocal Lens 1.499 1.56 finished & semi finished 70/28 70/24 UC HC HMC Shanghai Conant Optics is the only Chinese listed manufacturer in the optical industry. In 2009, according to Chinese customs statistics, we are No. 1 in terms of exporting lens quantity in...

High Index optical lens first-class imported material complete quality control single vision, bifocal, progressiv Shanghai Conant Optics is the only Chinese listed manufacturer in the optical lens industry. In 2009, according to Chinese customs statistics, we are No. 1 in terms...

Polarized lens Material : CR39 from PPG Finished: Plano, Decentered Plano Semi finished: single vision, bifocal, progressive  Shanghai Conant Optics is the only Chinese listed manufacturer in the optical industry. In 2009, according to Chinese customs statistics, we are...