China Bank Credit Card Display 45: This credit card is a composite card with a chip. Because the bank closed the downgrade transaction of the financial IC card, an error was given.

Solution: trade on a pOS machine that supports chip card trading, or insert money into the chip end without swiping the card.

The process of swiping a credit card:

1, the cardholder gives the credit card to the cashier, who swipes the card;

2. The cashier inputs the consumption amount on the POS machine and gives the machine to the cardholder;

3. The cardholder checks whether the amount to be paid is correct, and if so, enters the payment password of the credit card;

4. If the password is verified, the POS will print out a double/triple receipt;

5. The cardholder should sign the receipt, one for the record, one for the merchant and one for the bank.

Supplement:

1. It is more cost-effective to leave a deposit in a credit card than to simply overdraw it. If you ensure that there is a deposit in your account when spending by credit card, you can enjoy the benefits and convenience of credit card, without worrying about bills and repayment.

2. Credit card interest-free installment shopping is a very convenient service, which can reduce the burden on buyers to a certain extent, but the total amount may be more expensive than the market price. Whether to buy or not depends on the actual needs of individuals.