... /perforated metalMaterialCarbon steel, Aluminum, Brass, Copper.FinishPowder coated,galvanized,polished,or no finishHole shapeRound, Square, Slot, Triangle ... 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 ...