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The importance of fire door is immeasurable in controlling the spread of fire, isolating the fire, ensuring the safety of personnel and reducing property losses. UL fire doors are used in North America and even other countries and regions with recognized UL standards.

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commercial double metal doors,commercial metal doors and frames,commercial hollow metal-Врата ZTFIRE - Противопожарна врата, Огнеупорна врата, Огнеупорна врата, Огнеустойчива врата, Стоманена врата, Метална врата, Изходна врата