... hole: long, square, round hexagon, scale stretch-special shaped hole 2> thicknessaa0.1-8mm Perforated Plate Material: ... galvanized sheets, stainless steel sheets, aluminum, aluminum-plastic, copper, nickel, titanium, PVC, and other materialsOpening: round, ... hexagon, scale shape combination of different shapes, and other special shapeProcess: stamping, leveling, cutting, bending, reeling, welding ...