You can use CCB online banking to repay credit cards of other banks:

1. Open the China Construction Bank APP on your mobile phone.

2. Enter the APP homepage and click the icon in the upper left corner.

3. Click Login to log in.

4. Enter your ID number and password to log in.

5. After logging in successfully, click on the credit card option below.

6. Click CCB to repay other banks to make repayment.

7. Fill in the corresponding information and make repayment from other banks.