Card Exchange / Business card

People always receive many cards in the interpersonal communication, yet a large number of cards makes it difficult to arrange them and inconvenient to find out the card quickly. Besides, the process of printing cards wastes a lot of resources as well as brings about destruction to the environment. The design of card exchange adopts electronic form to store cards. As long as the slots of two cards are connected, the electronic cards are able to be exchanged in an easy way. It is convenient for searching without the worry of insufficient cards. Moreover, it can be used as the chest card of a company for the purpose of identification.