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This is an electronic cards. as the carrier, people can check consumer information by swiping card, electronic cards have a membership card function, which combines the taking the vouchers and swiping card into one motion and let people like to this environmental protection behavior. This design can reduce paper consumption of vouchers ;let us arrange information when consuming. this card can be stored because it's not easy to be damaged, and can protecting the rights for consumers ；the function of Membership Card can save money.
Zhao Tong Zhou Zhou Xia Mengxue Cui Yongqing