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防尘密封门 / covenient door

防尘密封门

This type of door is specially designed to house the dust together,which facilitates people's life.When cleaning,you could make the dust concentrate in the black groove,then take them out with you hands easily.

University

ChengDu university of technology

ChengDu university of technology
chengdu, China

Design

成都理工大学

成都理工大学
成都, China

刘光杰