First, the statement query
You can check your billing information through the bank statement sent to you every issue.
Second, telephone inquiries.
You can call the 24-hour service hotline according to the prompt to check your billing information.
Third, SMS query
You can use the reserved mobile phone to edit the short message "ZDCX+ space+last four digits of the card number" to 95528 to inquire about your billing information.
I hope my answer can help you. You can also call the customer service phone of the bank for consultation.