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There are some problems when we put an umbrella into the room in a short time, If you put it on the table edge, but the umbrella will still fall down carelessly.Magnetic umbrella handles in the umbrella handle development and design can make the poles attract each other and solve the problem of falling umbrella;The retractable nylon rope connect positive and negative poles stretching as freely as the tape.
Li Xiang, Zhang Bin, Deng Haowen, Wang Yan