Perforated Sheet Opening Shapes: Rectangular, square, circular, angular, scale-shaped , etc Peforated SheetMaterials: Plates of stainless steel, aluminum, regular steel, brass PVC and others.Opening Shapes: Rectangular, square, circular, angular, scale-shaped , etcOpening Dia.: 0.3-100 mmProcessing : Computerized processing with high in quality and accuracy Perforated sheet