1, China UnionPay Express Overseas Edition is a payment application for overseas markets, and its functions and operation interface are mainly based on the needs of overseas users. Therefore, when it is used in China, it may encounter some problems such as language and currency conversion.
2. As the service target of China UnionPay Express Overseas Edition is mainly overseas users, it is impossible to pay for some unusual domestic payment scenarios or overseas specific goods and services. In addition, because the application of overseas payment may involve foreign exchange and other issues, users need to have certain knowledge of foreign currency settlement and payment.