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Ống Vuông hàn1
Mô tả video
This video explains the main functions and practical uses of rectangular and square welded hollow section tubes for greenhouse frames in a clear, step-by-step format. Watch a full walkthrough of SHS/RHS manufacturing, size range, surface options, and real application examples—steel structures, curtain walls, furniture, vehicle frames, and machinery bases. Learn welding, cutting, and installation tips, plus quality checks and packaging details, to choose the right tube for your project.
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