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PEN CLEAN / pen clean

PEN CLEAN
PEN CLEAN

This product which adds a special device on the bottleneck is 
different from the traditional ink pot . The device which locates 
in the top of the ink and adopts the nanotechnology  is elastic , 
which  can avoid being polluted when the pen taking ink  .

University

College of Science & Technology Ningbo University

College of Science & Technology Ningbo University
Ningbo, China

Jiaheng Cheng,
College of Science & Technology Ningbo University

Songtao Jin,
College of Science & Technology Ningbo University

Lan Zhang,
College of Science & Technology Ningbo University

Liqin Zhang,
College of Science & Technology Ningbo University