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Pen users all have a common experience that the side near the pen point are always stained with messy ink when they ink a pen. They generally wipe the pen up with tissue, which makes waste of tissue and ink. The E-Ink-Bottle can avoid this problem through following way. Tilt the E-Ink-Bottle with 90 degree and recover it before you open the bottle and the circular groove of bottle will be filled with ink. Then open the bottle and ink pen from the groove. Ink storage of pen is small quantity and the ink of groove just over water intake of a pen, so it can keep the pen clean when you ink it.
designer:jintang Mai;guohong Wu teacher:xiaotao Hu