exterior steel door security door,metal door,panel door,exterior door,china door,safety door hot sale,good quality,luxury Exterior steel door: Material: 1)Door leaf:Cold-rolled steel sheet 2)Door frame: Hot-rolled steel sheetThickness of the door leaf:50mm/70mm/90mmFrame outer sizesa) 2,050×960 mmb) 2,050×860 mmc) 1,970×960mmd) 1,970×860mmAccessories:adjustable reinforced hinges, specifalty multi ...