The official card of CCB is a credit card, and the cardholder can spend first and then repay within the credit limit. This card has an interest-free payment period (up to 56 days) and a minimum repayment amount. Customer overdrafts can be repaid in installments.

Business card is a credit card tailored for the staff of budget units, which is mainly used for daily business expenses and financial reimbursement, and has the function of personal consumption.

You can apply for a credit card if you have the official card of CCB, but you can't apply for a credit card directly with the official card, which can only be part of the asset certificate at most, which increases the possibility of applying for a credit card.