Description:<br>1, the material: door frame for 1.5mm plus 2.0mm galvanized cold-rolled steel plate, composite door frame, door fan material for 1.0mm galvanized cold-rolled steel plate, the internal filling 63mm magnesium oxide fire door core;<br>2, the hole size 1500 x 2600, three-frame door, no threshold, no pre-buried, installation seam 10mm, door frame size 1480 x 2590.<br>3。 Door surface material for electrostatic powder spray ...
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