firstly, if you have obtained a single-currency credit card at the beginning of CCB 62, you cannot directly change it into a dual-currency credit card; Cardholders are required to submit applications for dual-currency cards at CCB Credit Card official website or CCB outlets, and re-apply for new cards. If you are an existing credit card user of CCB, the review time for applying for a new card will be shortened.

second, all credit cards in CCB under the same cardholder's name are entitled to * * *, but the repayment needs to be returned according to different card numbers.

thirdly, if you use CCB's dual-currency credit card to spend USD, you can directly deposit USD for repayment, or you can automatically purchase foreign exchange for remittance by binding the savings card of the agreed account, or you can deposit RMB in the credit card for repayment.