Medical Lens, Photochromic Lens, Polycarbonate Lens manufacturer / supplier in China, offering Finished Cr39 1.50 Flat Top Bifocal Anti-Reflection Green Resin Optical Glasses Lens, High Quality 1.56 Flat Top Bifocal Blue Blocker Resin Optical Eyeglasses Lens, Middle Index 1.56 Bifocal Flat Top Photochromic Grey Blue Cut Optical Lenses and so on.