1. Open WeChat, search for "China Bank Credit Card", pay attention, and enter the official account of WeChat, as shown below.
2. Click "My Account" in the lower left corner, as shown in the figure below.
3. Select "Activate, More Functions", as shown in the figure below.
4. Select "Card Opening Activation", as shown in the figure below.
5. Enter "Credit Card Number", "Certificate Number" and "Mobile Phone Number" according to the prompt, and then click Activate, as shown in the following figure.