The specific exchange method is as follows.

1. Download CCB APP in relevant application markets first.

2. Log in and read it. The menu bar at the bottom has "Finance", "Credit Card" and "My". Select "Credit Card" on the page and find the Pocket Mall.

3. Click on Pocket Mall, and the menu bar of the page has home page, category, welfare, shopping cart and mine. Select the category, then choose life service on the left, and find local life on the right, including electronic tickets.

4. Click "E-Ticket" to enter the "E-Ticket" page and find "Wal-Mart E-Ticket" on the page.

5. After clicking "Wal-Mart Electronic Voucher", enter the Wal-Mart Voucher Purchase page and click "Buy Now".

6. After selecting the quantity, enter the confirmation order, select "Integral Offset", and pay according to the prompt after submission.

7. Generally, you can redeem Wal-Mart's e-vouchers after receiving the confirmation information in about 2 minutes.