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In modern life, business cards play more and more important role in society. But there are many problems: 1. The material of paper card is not environmental . 2.The information is not specific. 3.The carrying is not convenient. 4.The exchange is not convenient. 5.The poor security .
The biggest advantages of environmentally electronic card exchangers are that they are convenient to carry and environmental .Besides,customers can exchange business card information according to their own needs and then store them. The exchangers can store all information of 15000 cards avoiding the problem of carrying too much cards.
Shandong University of Science and Technology
qingdao, China
maozhong an,
Shandong University of Science and Technology
lijuan hao,
Qingdao Technical College
runze yu,
Shandong University of Science and Technology
xueqing wang,
Shangdong Woman‘s University