It is a credit card jointly issued by China Construction Bank and China Southern Airlines. In addition to the basic financial functions of CCB credit card, such as spending first, repaying later, recycling credit line, installment payment, point exchange and so on. It is also the membership card of China Southern Airlines. The points traded with this card are converted into the mileage of China Southern Airlines at the ratio of 14 to 1 every month.
Specific rights and interests are shown in the figure: