Credit card department.
The job of the bank credit card center is to do business, which is to allow customers to apply for credit cards of their bank. All bank credit card centers handle credit card business. The credit card center is a huge department unit, usually a secondary department of a bank, including risk control, customer service, gifts, co-branded activities, etc.
All functions of the credit card need to be managed by the Credit Card Center. For example, card approval, credit rating, consumption account records, risk control, credit card promotions, card points management, etc. These are core functions and are generally formal employees of the banking system. Telephone customer service is generally outsourced.