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Easy to open cork / prodect design

Easy to open cork

It was waste time and energy to use the traditional corkscrew.And without using bottle opener,it is difficult to open wine bottle.On the above issues,a kinds of solution have been proposed.Adding screws in the process of producing cork.It will not increase little costs,nor any production difficulty.

University

成都理工大学

成都理工大学
成都理工大学, China