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The "U"sealing bag / The "U"sealing bag


The "U" sealing bag is more convenient to dump the flowing liquid,is not easy to overflow the sealing contact.So it is easy for liquid in the better preserve and moisture-proof.


xu, xuboyang

xu, xuboyang
Hubei University of Technology College of art and design, China

Boyang Xu Yao Huang Rui Chen Ruihua Xu