aluminium panel, mineral fiber board for building ceiling decoation Specification:Quadrate Aluminium ceiling: 300x300mm, 500x500mm, 600x600mm, Ribbon Aluminium ceiling: width100mm, 150mm, 200mm Length: ... 5mm, 0.6mm, 0.7mm, 0.8mm Mineral Fiber ceiling Board: 600x600mm, 600x1200mm Thickness: 8mm,10mm,12mm,14mm,16mmFeature ... kindness. 6), good sound insulation feature. Aluminium ceiling panel 600*600mm