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Re-holder is a re-designed penstock taking place of the conventional one. It provides a new form of the ball pen which is more environmental friendly ,more funny ,less waste and much cheaper, compared to the traditional pen.Re-holder is especially designed for those children of poverty districts as it provides a method to save money with fun by using it
Material : Take the advantage of rubbers elasticity to make sure that the refills will not move in the Re-holder.
Chi Hengfeng, Lai Mengchao, He Mei, Zhang Ning, Zhao Yijun, Ying Fangtian(Tutor)