потолок

Structure made of pure metal aluminum size 300*300 or600*600 Aluminum thickness 0.3 1mm Surface treatment powder-coating (perforated or non-perforated) Heat and sound insulation, light, flat, waterproof&fireproof, easily installed disconnect each grid cell independently and easily transport, durable, long use life and color not easy faded, surface color stable for 15 years for indoor use, suitable for home, market, office, railway station, airport and large chamber open interspaces of net design, stereoscopic facility for disposing the ventilation and fire protection equipment, easy to match other ceiling part, such as lamps, fan 30kind of pattern available