... steel doors:Certificate approved by:ISO9001:2000; Environmental protection; other quality certificate; Name:PVC steel door,safety door ,entrance door,exterior steel ... material :steel,galvanized steel sheet,cold-rolled steel,wood grain transfer print; structure:mould complex steel plate with steel bar inset ... :locks,handles,hinges,peephole,viewer,rubber seal,steel installation bolt 6)easy to install but ...