We, Jiangsu Hongchen Optical Co., Ltd. is a joint venture enterprise specialized in manufacturing all kinds of optical lenses for 20 years. The company occupies a land area of 40 Chinese acres, the production space is up to 32,000 square meters, existing staff more than 700, professionals around 60. It owns 10 AR Korea coating machines and 5 automatic cleaning lines. Annual production CR-39 high quality resin lens 15,000,000 pairs,Hongchen's product sells very well not only in various area of domestic market but also very popular in oversea market. With annual sales volume over than hundred million, Hongchen Optical is one of the leader in domestic lens field. The company has established the ISO9001:2000 quality control system and the fruitful innovation mechanism, the product quality strictly according to the national standards and the profession standard production, has obtained the European Union CE certificate. Hongchen Optical's lenses are evaluated "Zhenjiang brand lens" and "Jiangsu Province quality credit lens" Our CR-39 resin lens's optics transparency is good with handsome appearance, light weight and perfect impact strength. Bears the friction, can resist many kinds of resolvers the corrosion, easy to tinted, good water protection, non-toxic does not have the side effect to the human body; Our CR-39 resin lens has clearer and brighter surface.Its wear-resisting performance close mineral lens, the water resistance stronger 20 times . With years of experience in lens field and high reputation, its white 1.523 Optical, 1.70 Hi-index lenses and Blanks, CR-39 Resin lenses, 1.56 Middle Index Resin lenses, 1.61,1.67 HMC&EMI&UV400 Aspheric lens , PC , Photochromic (brown and gray) lenses have proved to be very competitive and sold well in overseas markets.