Environment friendly concept is becoming popular with the mass in the consuming market. Our roof sheet have attained the national attention and are widely used in various construction, such as villa, house ,farm, greenhouse and government construction project and so on, with functions like light weight, water-tightness, toughness, heat insulation, sound insulation, anti-staining, acid & alkali corrosion resistance, wind and shock resistance, fire retardant and convenient installation,etc.