If you have this, you should explain that you did issue such a CCB credit card in your name. Maybe you don't know it yourself. At most, call the customer service hotline at the beginning of CCB 400 to check the credit card holdings under your name. Moreover, CCB credit cards are displayed as unsigned on its online banking, and the functions that credit cards can operate on online banking are the same. Landlord, you still need to check how this credit card came from and whether it has been activated, and then decide how to deal with it.