Galvanized Iron Perforated Metal Screen 1.thick:0.2-12mm 2.open area:10 ... :0.5m-3m 4.shape:Round, Square Galvanized Iron Perforated Metal Screen Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass, Copper.FinishPowder coated,galvanized ... ceiling. Dear friend,if you are interested in our punched/perforated metal,please contact us without hesitate,Tell us the Materials,Hole ...