... .5m-3m 4.shape:Round, Square Galvanized Iron Perforated Metal Screen Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass, ... 20'fcl · Material: Low Carbon Steel Plate, Stainless Steel Plate, Aluminium Plate, Alloy Plate, etc.· Hole shape: Long hole, square ... surface, it is strong and serviceable.· Application: plate punching factory production network is widely used in lots ...