1. Card damage: According to official website of China Construction Bank, when a customer's bank card can't be used normally due to physical damage or perforation, he can choose to replace it with a new card without changing the number. Customers only need to bring damaged bank cards and valid identity documents to the nearest CCB business outlets. The bank will make a new card according to the original card number to ensure that the customer's original bank card number can be kept and avoid the inconvenience caused by the change of the card number.

2. Lost card: If the customer's bank card is accidentally lost, you can choose the service of replacing the card without changing the number. Although the new card number will change in most cases, customers can ask the bank to keep the original card number. After meeting certain conditions and procedures, the bank will make a new card with the same original card number for customers to ensure the continuity of financial services to customers.