Supports credit card payments not credit union cards. Credit cards are also called credit cards. It is a non-cash transaction payment method and a simple credit service. The credit card is a special consumer credit card plastic card that is 85.60 mm long, 53.98 mm wide, and 1 mm thick. It is issued by a bank for individuals and units to purchase, consume and obtain cash from the bank. Its form is a card with the name of the issuing bank, validity period, quantity, cardholder name and other contents printed on the front. The chip on the card surface is magnetic. strip, signature.