Different customers hold different CCB credit card billing dates, and one card type does not all use the same billing date. This billing date will be indicated in the card letter you receive. The bill will be settled on this billing date every month. The repayment date is within 20 days after the billing date. If you have received this Liaotong Dragon Card and know the card number, you can Use the mobile phone reserved by the bank to edit text messages and send "CCZD#last 4 digits of card number" or "311#last 4 digits of card number" to 95533 to check the bill date and repayment date