wood plastic composite 1.dust-proof, 2. windproof, 3.insect prevention and anti theft, 4.heat insulation, sound insulation. wood plastic compositeFeatures:dust-proof, pest control, anti-theft, windproof, heat insulation, soundinsulation.Aluminumwood composite doors & windows combined the main features of heatinsulating bridge-cut-off aluminum alloy doors & windows and wood doors &windows,and with ...