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This is an improved design for traditional press button.People usually get too much lotion for
just one press.In case of which, we beveled the cap. So that people can control the length through rotating the press button.As a result we can get lotion just enough by one press, and don't waste too much. It's more lotion saving.
Ningbo University of Technology
Ningbo, China
Tianqi Wang,
Ningbo University of Technology
Tao Liu,
Ningbo University of Technology
Yi Lu,
Ningbo University of Technology
Xin Huang,
Ningbo University of Technology