1. Click the application. When you enter for the first time, you will be asked to grant access to the Internet and so on. If you want to give what you need, you don't have to give it if you think it's unnecessary.

2. Click on the three bars in the upper left corner, and the following drop-down menu will appear. Click Login.

3. Enter your ID number and CCB mobile banking login password to log in.

4. After logging in, the bank card number of your default account will be displayed in the upper left corner. However, the display is incomplete and generally protected.

5. Click the card number to enter the following display page, including bank card number, bank, current balance, account opening time and other information.

Extended data:

Generally, there are the following ways:

First of all, bring your ID card to the financial counter of any CCB outlet for inquiry.

2. If I have a normal CCB credit card under my name, I can register and authenticate my real name through the CCB credit card website, and then choose my account. You can see the card status under my name in the card list.

Three, through the CCB service hotline, to inquire after the manual service.

If it is very simple to have a CCB credit card, just log in my new credit card directly on the CCB website and switch to manual operation.

Call 95533 for manual service, and I'll tell you the card number after verifying the information.

4. If the credit card is associated with online banking, please log in to online banking to check the account number.

Reference source: Baidu Encyclopedia-China Construction Bank Mobile Banking