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What is the common classification of special-shaped cards?
Printing for personal needs is not limited by size, which leads to many kinds of "weird" cards in countries all over the world, which we call special-shaped cards. Among them, geometric cards such as rectangle, square, triangle and ellipse are called "non-standard cards"; Some special cards in the shape of animals and dolls are called "quasi-cards". Relatively speaking, the manufacturing process of "quasi-shape card" is more difficult than geometry. Classification by industry: shopping malls, hotels, clothing, public transportation, access control; Classification by materials: PVC special-shaped cards, metal special-shaped cards and ordinary paper special-shaped cards; According to the use environment, it is divided into ordinary special-shaped cards and metal-resistant special-shaped cards; Classification by working mode: contact shaped card, non-contact shaped card, double-interface shaped card and composite shaped card; Classification of non-contact shaped cards: low-frequency shaped cards (125KHz), high-frequency shaped cards (13.56MHz), ultra-high-frequency shaped cards (850MHz~930MHz) and microwave shaped cards (2.45GHz, 5.8GHz).