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Sijia Zhou / Recypen

Sijia Zhou
Sijia Zhou

A pen that can be used repeatedly. When the pen is unable to write, the yellow line can be used to determine whether the needs to be filled.

University

Hubei University of Technology

Hubei University of Technology
Wuhan, China

Sijia Zhou,
Hubei University of Technology

Leqi Tao,
Hubei University of Technology

Tao Chen,
Hubei University of Technology

Jingjing Wang,
Hubei University of Technology