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universal sealing cap / Product

universal sealing cap
universal sealing cap

The cap can be used for any bottled drinks.
It is according to release the pressure of the gas to seal the lid.
Diameter of bottle,suitable for different.
Cap inside part of the ring.

University

Chengdu University of Technology

Chengdu University of Technology
chengdu, China

wang min,
Chengdu University of Technology