Our merchandise are broadly identified and trusted by end users and can satisfy continually developing economic and social requires for Double Concave Lenses, Thick Bifocals , Plastic Optical Lens , Optical Lenses Types ,Flat and thin lens . Our main objectives are to deliver our consumers worldwide with high quality, competitive selling price, satisfied delivery and outstanding providers. The product will supply to all over the world, such as Europe, America, Australia,Cyprus, Netherlands,Portugal, Wellington.We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.