Perforated Metal Sheet: Material:Q235.195.Aluminum,ss plate Hole Dia: 0.3-500mm Thickness: 0.5m,1.2mm,1.0mm.... Stainless steel punching hole piece/perforated wire mesh for decoration 1.Perforation patterns: Round perforations ,square perforations, fish scale perforations, etc.2.specifization:(1)Cold rolled steel sheetThickness: 0.2mm-1mmLength: 1m-20mHole Diameter:0.8-10mm(2)Plate thickness;0. ...