1.High quality Ceiling,clip in type 2.sound absorption,heat-insulation,excellent quality,competitive price 3.Size: ... .Material: aluminium,plastic2.Structure:1)front and back:aluminium sheet 2)middle:plastic core3.Side Height:20mm4.aluminium thickness:0.08mm5 ... various of perforated patterns can be provided as your request 2. Surface smoothness,hardness,flatness and easy cleaning3. Each ceiling tile ...