STEEL DOOR : 1.damp proof, heat ,sound insulation,anti theft,anti moth 2.high quality,Luxury,shining 3.anti-bounce STEEL DOOR:1) Material: Cold-rolled steel sheet for ... degrees. 6) Infilling: Honeycomb material (polyurethane or silicic aluminum and anti-fire material are available). 7) Accessories: Hinges, lock, handles, doorbell, peephole ...