Hello! At present, all domestic credit cards are managed uniformly across the country. If you want to change your billing address or change your repayment account, you can call the bank's customer service hotline. Moreover, no matter in any city in China, there is no handling fee when you go to our bank for repayment or open an account with our bank for repayment. However, only a few banks such as ICBC manage credit cards by region. However, it does not have any impact. It is just that different regions will have different discounts.