... insulated,anti-aging,anti-rust,sound insulation,corrosion-resistance;7.Environmentally friendly,Energy efficiency,Thermal insulation,good ventilation;8.UV protection---it ... .2mm,1.5mm,2.0mm,so on;10.Acoustical insulation:31dB;11.K-value of window:2.6w/m2.k;12.Wind resistance ... a professonal after-service team;17.Easy maintenance;18.U-Value<1.1w/m2.k.More details,please feel free to ...