CCB card refers to the credit card or debit card issued by China Construction Bank. The signing of CCB card means that when customers use CCB card, they need to sign relevant agreements with the bank, authorizing the bank to deduct the corresponding amount from the bank account within a specified period of time for credit card repayment, wealth management and other related businesses.

The purpose of signing a CCB card is to facilitate customers to manage their bank accounts and ensure that there are enough funds in the accounts to pay credit card bills or purchase wealth management products. After signing the contract, customers can use mobile banking or online banking for online payment, which saves time and effort without manual transfer every month.

The signing process of CCB card is very simple. Customers only need to go to CCB outlets or use mobile banking to operate. You need to provide identification and bank card information when signing the contract. After signing the relevant agreement, the bank will deduct money from the customer's bank account within the specified time. It should be noted that before signing the contract, the customer needs to ensure that there is enough balance in the account to avoid insufficient funds when deducting money.