Jiangsu Junshi Optics CO., LTD. is a Sino-Korea joint venture company formed in 1996 which specializes in the manufacture of CR-39 optical lenses,1.56 middle-index resin lenses and 1.61 resin lenses . now the mainly production including : 1.56 /1.61 SV , Photochromic , Photochromic bifocal , Photochromic progressive , Semi-finished , RX and freeform lenses ,. We are professional anti-scratch lenses factory , and have own R&D deparement , research the hard coating and AR coating , find the best data to match and get stable coating