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We want to participate in lectures or meetings will be prepared on the table with a single pen
To record, but the contents of the minutes in order to simplify Fast choose to be and remember, so this
These pen does not take much to be discarded, re-use is very low, so that not only made
As a great waste, and plastics, products, environmental pollution is also very large.
This is a made of paper with a hard record of the meeting devoted to the pen, only
You can use a simple operation. Its low cost, low transportation costs, greatly
Reduce the waste of traditional disposable pen, and high recovery, environmentally friend
Jiangxi University of Finance and Economics
Nanchang, China
Jiangxi University of Finance and Economics
Nanchang, China
Jiangxi University of Finance and Economics
Nanchang, China
Yan Chen
HongXing Xiang
Dong Yang
GuangLei Huang