Credit cards with UnionPay and Visa (or Master) logos must be dual-currency cards.
1. Credit cards have these two logos and most of the cards issued after 2000 are dual-currency cards. Most of the cards issued in the 1990s are RMB single-account cards (such as the Bank of China Great Wall RMB Card, which is now available Some have MasterCard and UnionPay logos).
2. Most quasi-credit cards have two logos, but they are actually single-currency cards (such as ICBC).
3. All CCB cards with the visa or MasterCard logo are dual-currency cards.
VISA and MC are foreign-funded organizations.
They must support their major currencies. Generally, those with the logos of UnionPay and the other two organizations are basically dual-currency or multi-currency cards.