At 6:30pm, Apr.18th, 2012, the final of 17th mechanical design competition of Zhejiang University, the closing ceremony, was successfully held in the room 234 of first teaching building. The theme of this competition was “Happy Life: Today and Tomorrow”. The guests and evaluation experts attending the final including: teacher Wei Zhiyuan, from the scientific reaserch training and academic competing office of undergraduate school, Zhejiang University, and Prof.ShiYueding, Prof. ChenXiuning Prof.ZhanJianchao, Prof.GuDaqiang.etc, from the department of mechanical engineering, Zhejiang University.