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E-Card / E-Card


Credit cards we have ever seen are often faced with the inconvenience when are out from the wallet. Because of this, it always makes the cards folded,also affects the user's mood.
The two notch of diagonal type L will make the card easy to be drawn out. It is avoided the inconvenience and can be used easily in every case.


Yanshan University

Yanshan University
Qinhuangdao, China


Yanshan University

Yanshan University
Qinhuangdao, China

Wei Shang Chunlei Shi Tianyu Li Jianfang Zhang