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1 hour rated door,one hour fire door,45 minute fire rated interior door

As we all know, fire doors are divided into steel, wood, steel wood and other materials. The steel fireproof door is made of steel materials to make the door frame, door leaf frame and panel. The interior is filled with non-toxic and harmless fireproof and thermal insulation materials. The hardware industry is stainless steel, which has fire resistance.

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