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Pencil Sharpeners / Pencil sharpeners

Pencil Sharpeners
Pencil Sharpeners

The key lies in the change of the blade pencil sharpeners.The pencil always sharp and tilt.When pen tilt, can be used for coating.The pencil sharpeners
made pencil will take longer time.

University

Zhengzhou University Light Industry

Zhengzhou University Light Industry
Zhengzhou city, China

Qiang Li,
Zhengzhou University of Light Indus