1, WeChat: Open the login WeChat, click "I" in the lower right corner, select "Pay" to enter the "wallet", find the "Bank Card" option, select "Add Bank Card", and the user can enter the card number of China Merchants Bank Credit Card according to the page prompts to complete the mobile phone verification.
2. Alipay: Open and log in to Alipay, click "My" in the lower right corner of the main page, click "Bank Card" to select "Add Bank Card", click "China Merchants Bank" to select the type of bank card to be added as "Credit Card", click Next, and fill in the relevant information according to the page prompts and open it.