Dropping card is also known as crystal card. It can be built-in ID or IC chip to make ID or IC dripping card. It can be made into cartoon shape, penguin, heart shape and other small cards according to customer's requirements. Then it can be added with crystal glue on both sides, so that the product can be dust-proof, waterproof and transparent, such as glass, with a good three-dimensional sense, bright color and vivid image. It is the ideal choice for the promotion activities of enterprises. Widely used in membership management, points, consumption system, one-card payment, product identification, school management, community management, access control attendance, identity recognition, bus, parking, skiing, tickets.