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Dragonfly is a mini-plug which minimizes the thickness and area of existing plugs. Unlike nowadays plugs with packing problems, the conducting part of dragonfly can be folded to enable the plug be flat. It saves much material. As for produce, it leads to more efficient transportation as well as more compact storage on account of the layer structure. Due to its tiny and soft figure, it can also enhance the extension socket coefficient of utilization. By using soft material, unfolding the conductors becomes easier when pressing the center of plug. That is to say, dragonfly-shape plug emphasizes resource-saving as well as good usage.
Qingyuan Chen Shirong Gu Xiaobi Pan Qiongling Wang