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Permutation marker / Marker pen

Permutation marker
Permutation marker

With the improvement of people’s living standards,the concept of energy conservation and environment
protection is quite popular.To make Maker easier to carry.Penboxes are required for every set of maker
after they are produced.Without doubt,this increase the consumpyion of resources,and at the same time,
maker with their caps connected.There pens can be rolled into a cylinder.120 degree redian which is convenient to move.
Each side has convex and concave in the shape of a small rectangle.Besides,permutation maker can be
connected with the adjacent one,making the group rolled into a cylinder.Therefore,and it can greatly
save the resources

University

Nanchang University

Nanchang University
Nanchang, China

Shuo LI ,
Nanchang University

Shankai Tu ,
Nanchang University

Jiajun ZHOU ,
Nanchang University

Yanbing CUI,
Nanchang University