1.Material: Zinc Coated Steel 2.Dimension: 80x80x2mm 3.Accept customized size 4.Long using life 5.Earth friendly 1.Material: Galvanized(Zinc Coated) Steel (Q195)2.Usage: Be widely used as the supporter of roof and wall in large-scaleor mid-scale construction, such as factory, warehouse, garage,exhibition center, cinema, theatre, garden, etc.3.Specification(Width*Height*Gauge): 30x30x1-3mm, ...