... all kinds of high end optical eyeglasses lenses (hard resin lenses, plastic lenses, CR-39 lenses, high index lenses, polycarbonate lenses, acrylic lenses , spherical lenses, aspherical lenses and mineral glass lenses) using raw ... packagings as per your requirements. Our optical lenses are 100% Grade A quality guarantee with the quality warranty period of 1 year after shipments ...