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Flat battery / Battery

Flat battery
Flat battery

Have you ever can't find the battery just for the rolling surface, let 【flat battery】 'to help you solve this problem! Just create a small flat on the rolling surface of the battery, make the battery stand on the table firmly.So,you can say goodbye to the missing battery!

University

Zhengzhou Institute of Aeronautical

Zhengzhou Institute of Aeronautical
zhengzhou, China

Design

Zhengzhou Institute of Aeronautical

Zhengzhou Institute of Aeronautical
zhengzhou, China

Taiming Suo Guoqing Li Hanpu Liu Zhengwei Ren