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The traditional pencil costs much wood, needs scraping to continue to use, and is difficult to hold when its nearly used up. Bambocil is inspired by bamboo, its barrel is composed of several segments and could be reused. The user could exhaust a whole lead without scrape when using through the way of reform the barrel, and even its nearly used up, the pencil is still easy to hold.
Ying Fangtian, Tao Jun, Gao Shanshan, Li Bing, Li Xinrui, Li Zhenpeng