Teach the landlord two ways to learn more online:
First, the landlord can go to CCB official website-"Account Inquiry Service" on the left and select "Credit Card Inquiry". After entering the information as required, he can check the details of the last six months. The specific steps are shown in the following figure:
If the landlord needs to inquire about the details of the last 12 months, he needs to log in to his online bank to inquire. The specific steps are: online banking-credit card-credit card inquiry-inquiry of issued bills.
If it is more than one year, you need to call his home service hotline to confirm.
If the landlord has other questions, you can ask.