MasterCard credit cards can be processed through major banks' official website, WeChat official accounts, mobile phone clients, business outlets counters and other channels. Take the official account processing of Agricultural Bank WeChat as an example, the specific steps are as follows:

1. Pay attention to the official WeChat account of Agricultural Bank of China.

2. Click "Card Application" in the navigation bar "Credit Card".

3. After entering, enter "MasterCard" in the search field.

4. In the search results, select the MasterCard you need to apply for.

5. Click "Apply Now" on the right.

6. Enter relevant personal information according to the prompts, and wait for the bank to review after face recognition.