China UnionPay Express is a tool for mobile transaction settlement and online payment of non-cash receipts and payments. Because there is no handling fee in China UnionPay Express to return credit cards, many people use China UnionPay Express to return credit cards, but many people show invalid merchants when returning credit cards. What should I do if China UnionPay Express returns the invalid credit card?

China UnionPay Express also shows invalid merchants on credit cards.

1 The credit card is invalid.

China UnionPay Express also shows that the credit card is invalid, which is probably caused by the invalidation of the credit card. When using China UnionPay Express to repay the credit card, China UnionPay Express cannot repay the credit card, so it will prompt invalid merchants.

2 Unsupported credit card

China UnionPay Express can repay credit cards, but not all credit cards can be repaid through China UnionPay Express. If China UnionPay Express does not support credit card repayment and China UnionPay Express cannot repay, then China UnionPay Express will display invalid merchants if it repays the credit card.

These are the reasons why China UnionPay Express Credit Card still shows invalid merchants. If invalid merchants are displayed, the user can change other ways to repay the credit card. Can also be solved according to its reasons, it is best to call China UnionPay Express customer service for help.