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Ya-Shua is a manual electricize power toothbrush for environment friendliness, exact cleaning time, and more fun.
You can electricize this power toothbrush by your own work without any charger or battery; in addition you can give yourself an adequate cleaning time for keeping dental health by the scale. Its a brand-new toothbrush for everyone, especially the people who concerns about the environment, and kids, who might find it a novelty.
Industrial Design / Innovation Center
Zhu Pengcheng, Jiang Jing, Yao Lining, Ye Milan, Shi Yan, Zhao Wei, Hu Yichuan, Man Jinfan,Ying Fangtian(tutor)