... ,Galvanized metal,copper Round,square,hexagon,oblong,etc ISO9001 Perforated sheet/ Punching hole mesh manufactured by our factory is ... to customer's requirements.Margin are the blank (un-perforated) area along the edge of the sheet. Normally the ... and PitchOther name of this product:perforated metal sheet, punching hole mesh, perforated metal mesh, perforated steel sheet, punched metal sheet, ...