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Steel fireproof door

QA-GFM-003
The door frame, door leaf frame, and door leaf panel are made of steel materials. If the door leaf is filled with materials, it is filled with non-toxic and harmless fire insulation materials for the human body, and equipped with fire resistant hardware accessories to form a door with certain fire resistance performance;
The door frame, door leaf frame, and door leaf panel are made of steel materials. If the door leaf is filled with materials, it is filled with non-toxic and harmless fire insulation materials for the human body, and equipped with fire resistant hardware accessories to form a door with certain fire resistance performance;
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