Aluminum ceiling board,aluminum perforated ceiling 1.beautifull pattern 2.easy install 3.anti fire 4.easy to match lamps Aluminium Square Ceiling BoardMaterial: galvanized steel or aluminumSpecification: 600x600mm. custom availableMerit:surface smoothness and easy cleaning high precision ,rigidity and consistency strong corrupt proof, weather proof and chemicalSurface color guarantees 10 years ...