Door’s body: using high quality imported materials of plastics and steel board, emboss and press the inner wood line together. There are characters are followings: no distortion, no crake, no painting; shockproof, damp-proof, environmental protection, anti-radiation and without formaldehyde and toluene; warm and heat insulation, keeping from worm Door frame: using 2cm or more multi-layers plate and wood; covering with high quality PVC layer; no distortion, no crake, environmentally friendly, and very beautiful as well Lines: using high quality wood plastic to press together; water-proof