Whether it has a foreign currency function depends on the logo of your card. Look at the face of your card. If it only has the UnionPay logo, it means it is a UnionPay single-currency credit card. If there is a Visa or MasterCard logo, it means it is a RMB-USD dual-currency credit card. Whether it can be used on Meiya depends on the settings of this website. You can try it. It seems that Meiya also supports UnionPay cards now.