Maybe the UnionPay merchants there have no livelihood. Because if you can swipe your card, you must do it there, such as supermarkets, individuals and banks. When swiping the card, the money is transferred to a merchant run by the supermarket in the bank. Therefore, it is possible that people's credit card institutions do not have merchants who open livelihood cards. . Go to the bank for advice when you go back to Jinan. It may also be the problem of their UnionPay machine. .