It is suggested that the landlord can inquire about his credit card activities and details through the credit card website of CCB-card discount-preferential merchants/preferential activities. Please refer to the picture for details.

If the landlord has a CCB Mall co-branded credit card or a hot-spot purchase series of credit cards, you can select the path of your own card on the CCB Credit Card website-Credit Card Application Tab-Colorful Shopping Item to view the mall activities.

If the landlord has other questions, you can ask.