CNC punching aluminum panel using stamping equipment, selected high-quality metal materials to the punching process different specifications or spend money to beautify the metal plate surface, due to the closed-made, can relieveA sense of oppression, indeed, broaden their horizons and feel of the space.Features and Benefits punching aluminum: elegant appearance, easy to fire proof, install, durable, acoustic noise, not the positive and negative air pressure affect beneficial vents or other deviceHeat, light and lighting features.