Do credit cards with UnionPay and visa (or master) logos have to be dual-currency?

Credit cards with UnionPay and visa (or master) logos must be dual-currency cards.

1. Credit cards have these two marks, and most of them are dual-currency cards issued after 2000, and most of them are single-RMB cards issued in the 1990s (for example, the Great Wall RMB card of Bank of China, some of which are now marked with MasterCard and UnionPay).

2. Most quasi-credit cards have two signs, but they are actually single-currency cards (such as ICBC).

3. All CCB cards with visa or MasterCard logo are dual-currency cards.

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