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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 .
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