... plate, copper plate, PVC grids, fiber grids etc.2.Hole shape: diamond, square, round, etc (we can produce it according to the ... ' requirement, according to the method of surface treatment.)3.Thickness: 0.25-0.50mm 4.Wing Width: 20mm, 23mm, 25mm, 30mm,35mm ... and so on. 5.Length:2.5m or 3m Special shape, sizes ...