Cardholders can make inquiries through WeChat official account, computer banking official website, mobile banking and calling the customer service hotline of China Merchants Bank. Taking China Merchants official website as an example, the specific analysis is as follows:

The cardholder logs in to official website Credit Card of China Merchants Bank, finds "Charge Standard" in "Customer Service" and enters the page, then selects "Bank Card Service" to inquire about the charge standard of the annual credit card fee.