Epoxy tag are also called mini induction cards. They have the characteristics of small and beautiful appearance, easy to carry, etc .; they can encapsulate all kinds of smart chips. The products are made of multiple materials printed and imported crystal drop glue on the surface. The product is dust-proof, waterproof, and transparent, such as glass, has a good three-dimensional sense, and is suitable for consumer systems, card payment, product identification, school management, community management, access control and attendance, identity recognition, and public transportation.