Redeem points for gifts, gift certificates or related value-added services. When a cardholder uses a Postal Savings Bank credit card for a single purchase, the points generated by the transaction amount will take effect on the day after the transaction is recorded. Points will be accumulated for the consumption of the main credit card and the supplementary card, and the supplementary card points will be merged into the main card account. Accumulated points can be used to redeem point gifts, gift certificates or related value-added services. Youbao is a stamp and coin card spot trading service platform that provides a full catalog of stamp and coin cards arranged by serial number and year. At the same time, stamp and coin card collectors can check the real-time market transaction prices of stamps, coins and magnetic cards, and complete stamp and coin transactions. Card buying and selling.