1 Name
Square tube, other name: Square tubing, Square hollow section, SHS, Square hollow profile.

2 Definition
A tube is a closed shape used to perform some structural function. The shape can be round, square, rectangular or whatever can be designed and manufactured for a particular application.

Jack Liu
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Company: Tianjin Youfa steel pipe group Co., Ltd
                   Tianjin Youfa international trade Co.,Ltd

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