Danyang Zhengyang Optical Co., Ltd.is a professional manufacturer specialized in the research, development and production of optical lens and lens mold. As one of the earliest lens mold manufacturers in China, Zhengyang has much experience and advanced technology and has obtained a series of patents.We are one of the earliest lens factories located in the famous Optical Industrial Park in Danyang.we produce single vision, bifocal, progressive, photochromic polarized, tinted sun lens, uncoated, hard coated, HMC, EMI and Super Hydrophobic series with available indexes of 1.499, 1.56, 1.60 and 1.67. We keep good quality, service and competitive prices for global valued customers.