40FT' Double Wing Extended Folding House The double-wing expansion room uses light steel materials for the frame, galvanized high-strength square tubes, galvanized angle irons, etc., and the wall uses anti-corrosion double-sided color steel composite panels. Its materials have good corrosion resistance and stability. The frame uses galvanized anti-corrosion house pipes, the wall panels use galvanized thickened wall panels, and stainless steel anti-corrosion hardware, etc., which can extend the service life of the house. |



