... ,Aluminium,Galvanized metal,copper Round,square,hexagon,oblong,etc ISO9001 Perforated sheet/ Punching hole mesh manufactured ... sheetAluminum plateAluminum Zinc Steel sheetHole Shape:Round, Rectangular, Square, Triangle, Oval, Oblong, Slot hole, Pentagon, ... Straight RowHole size and PitchOther name of this product:perforated metal sheet, punching hole mesh, perforated metal mesh, perforated steel ...