According to the query branch encyclopedia, credit cards can be opened with one click and are safe. Log in to the latest version of CCB Mobile Banking APP and click "Credit Card-One-click Binding Card". Click "Replace" to select the credit card to be bound, select the platform to be bound, and click "Unlock Card". Check your personal information and mobile phone number, read the relevant agreement carefully, and click "Next" after confirming it is correct. Confirm the platform payment account and click "Next". Enter the SMS verification code and click "Next" after confirmation. Complete the binding.

Credit card refers to various media that record the relevant information of the cardholder's account, have the function of bank credit line and overdraft, and provide relevant banking services for the cardholder.