The virtual card of the postal savings master card is valid for three months. After activation, the bank will give the cardholder a physical card, valid for three years. The validity period of the Postal Savings Credit Owner Card has four numbers below the front of the credit card. The first two digits indicate the month of validity, and the two digits after the slash indicate the year of validity, such as 12/24, which indicates that the owner card of the postal savings office is valid until 2024 12.

After the first credit card swiping of the owner card of the Postal Savings Credit Card is completed, the Postal Savings Bank can tighten the channels such as banks and WeChat to handle the rights and interests of automobile services.