... pvc steel security door 1.cold roll steel sheet with pvc film coated 2.Infill polyurethane foam 3.High Quality,lowest price pvc steel doors, security ... thickness;Advantage:Shockproof, soundproof, heat insulation,sound insulation, anti-pry, anti-drill, anti-rust,moisture proof, mothproof,crack-resistant,steady and hard ... with us for further discussions!CELL:0086-13576286130 pvc steel security door