1>galvanized perforated metal sheet 2>Material:stainless steel,aluminum 3>hole:round,square,etc ... 4>produce as your need galvanized perforated metal sheet Material: Stainless steel, Carbon steel, Galvanized plate, Aluminum, Brass, Copper ... board, Pasteboard, Al-Mg. alloy plate, Nickel-plate, Fiber Glass, PVC plate, Composites.Hole shape: Round, Square, Slot, Triangle, Long round ...