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In the present cycling products market, the personal products have occupied the most shares. Twins is a cycling light designed for the whole cycling team, which fully made up the market.
Twins, using the buttons to tie up, is made of two same parts, which can be put on the bicycle or held in hands. It has abundant ways to use due to the special structure.
Zhiqiang Liu, Chiyu Zan, Yibin Qi, Hao Wang