This is because the bank counter does not have the authority to handle this business. You can call the customer service number to cancel. CCB outlets cannot handle credit card cancellation and say that they need to call to cancel. This is because the bank counter does not have the authority to handle this business, causing its staff to be unable to handle this business. You can call CCB's customer service number to cancel. After the customer service staff verifies the personal information and account information, they will handle the card cancellation procedure. There is no handling fee for card cancellation.