... letter and number, barcode, sequential numbering, Gold/Silver card, frosted card, invisible UV printing. Applications: Bank, traffic, insurance, super marketing, parking, school, etc.Our chip ... , AT24C04, AT24C08, AT24C16, AT24C32, AT24C64, AT88SC102, AT88SC1604 and so onWe can provide OEM & ODM services, and looking for more security systems business partners!