High strength, physical, corrosion resistance, heat insulation, sound insulation and fire prevention assembly fast Composite board: Color plate thickness: 0.3 to 0.8mmLength: no limitEffective width: Wallboard: 1200, 1150, 1000, 950, 1130mmRoof board: 950, 980mmCharacteristics of the color composite sandwich plate: Novel appearance, smooth lines and beautiful economical applicationWidely used in ...