你知道pvc卡—— pvc卡吗 ？通常银行卡的尺寸是 85.5*54*0.76 mm与该尺寸一样的卡我们成为国标卡，反之称为异形卡或者非标卡。
Do you know the pvc card - pvc card? Usually the size of the bank card is 85.5*54*0.76 mm. The card with the same size is the national standard card, otherwise it is called the special-shaped card or non-standard card.
So what is a child card? The daughter card is also called a conjoined card, which is a kind of special card. It means that a big card and a small card are made together. Usually the big card is a magnetic stripe card and the small card is a bar code card. Mainly used in supermarkets and shopping malls. The connection points of the two cards are dotted, all vacuum, can be easily opened, and finally become two separate cards. The size is usually 130*54*0.76mm.