Non-standard cards can be called non-standard cards if they are irregular in shape.

Geometric cards such as rectangular, square, triangular and elliptical circles are called "non-standard cards". The special shape cards of animal shape and doll shape are called "quasi-special shape cards". The non-standard cards are encapsulated by ABS shell or PCV and other materials. The coils are filled with epoxy resin. The special shape cards with various shapes can be assembled by ultrasonic welding. EM, MF, Temic, ATMEL, ST, TK chips can be selected. It is widely used in various industries, such as exhibitions, squares, conferences, clothing, catering brands and so on.