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In public places or a party, it can be difficult to tell which one is yours. “autograph” can solve the problem. There is a smear layer on every bottle, when you choose your own bottle,Scratch your autograph or your favourite pattern on it. The next time you use it,you can identify your bottle from others easily.
Wuhan University of Technology
Wuhan, China
Wuhan University of Technology
Wuhan, China
Ji Lijun
Li Xiaolong
Chen Jie
Luo Yi