... end optical eyeglasses lenses (hard resin lenses, plastic lenses, CR-39 lenses, high index lenses, polycarbonate lenses, acrylic lenses and mineral glass lenses) using raw material ... envelopes packagings as per your requirements. Our optical lenses are 100% Grade A quality guarantee with the ... after shipments deliveries, if you find any defective lenses from any shipments, we'll compensate you with ...