CNC PUNCHING PERFORATED METAL PANELS – EASY FOR HANDLING AND OPERATION CNC punching perforated metal panels are referred to perforated metal sheets which are manufactured through computer numerically controlled punching process. As a manufacturer, we can CNC punch the architectural decorative panels from stainless steel, galvanized steel and aluminum as well as copper and brass. Simple shapes include square, round or hexagonal can be formed directly on the sheet. And complex shapes can be cut out by arranging many squares or rounded cuts around the perimeter. Thanks to our powerful Radan sheet metal software, we can offer an excellent service for customers.