Can be deduced. Under normal circumstances, there is a certain handling fee for cross-bank credit card repayment to Guangfa Bank. Different banks have different standards. Please consult the major banks for details. However, it is free to handle the inter-bank repayment business of UnionPay, but customers have to charge for transferring money.

UnionPay inter-bank repayment service is to bind the customer's debit card with the customer's credit card and set up automatic repayment or telephone repayment.

Supplementary note: Call 95508 to provide the customer service with the debit card number. Supporting banks include China Bank, Agricultural Bank, China Industrial and Commercial Bank, China Construction Bank, China Merchants Bank, Shanghai Pudong Development Bank and Industrial Bank.