CCB's self-service banking equipment is divided into ATM machines and CDM machines, namely, self-service cash machines and self-service deposit and withdrawal machines. If you are at an ATM, you can handle the transfer repayment, that is, after inserting a savings card, select the transfer, and then enter the credit card number and repayment amount to handle the transfer repayment. No credit card is inserted and no cash repayment is accepted. If you return the cash directly to the credit card, you need to operate it on the self-service deposit and withdrawal machine (CDM machine), insert the credit card, enter the password, choose repayment and put in the cash. In addition, it is more convenient to repay by online transfer, such as online banking, mobile banking or Alipay and other third-party platforms.