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recycle ink / Office Accessoires

recycle ink
recycle ink

Recycle Printer can print out special ink which will disappear in setted dates. It can make full use of paper and save a lot of wood resources.
More and more leaflets are handed ouf as advertiesements, people usually throw it away after they look. It causes the waster of paper. More and More trees are cutted of to make paper.
The area of the forest decreases rapidly because of paper producing!

University

zhejiang university

zhejiang university
Hangzhou, China

Her Shin,
zhejiang university