Perforated ceiling series features: 1. With perforated machine by computer digital control, choosing high-quality aluminum materials, perforated ceiling panels are beautified with different specification and kinds of style. And it can ease the repression induced by closed environment, gleamingly and widen eyesight 2. Perforated ceiling features: attractive, fireproof, moistureproof, easy to install, longlasting, noise deadening, unaffected by positive and negative pressure, is good for vent, heat output and light transmittance 3. Application: building ceiling, highway, railway, metro train, airport, and for some noise place and kitchen. And we have so many different style for choosing