Take the inquiry of traffic credit card as an example:
1. After opening WeChat, directly click on the WeChat address book tab to enter the official WeChat account.
2. Click the+Add button in the upper right corner directly on the WeChat official account interface.
3. Enter the traffic credit card and click "Traffic Credit Card Center".
4. Click on the official account of "Bank of Communications Credit Card" WeChat.
5. Click the "Follow" button to follow.
6. After paying attention, click the "Card" option.
7. In the interface that appears, click the option of "card opening activation/progress inquiry".
8. Enter the ID number and card number, and click "Next" to check the credit card progress.