UnionPay is an international card association same as Visa, MasterCard and American Express. Apart from credit cards, UnionPay also issues prepaid cards and debit cards.
One of the main features of UnionPay cards is “0% foreign currency transaction fee” (other credit cards usually charge around 2％) that allows cardholders to shop oversea without extra cost. Besides, UnionPay dual currency credit cards can separate HKD and CNY transactions by offering two accounts in one card so that cardholders can enjoy flexible payment.