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The many advantages of steel fire doors make them occupy a large market share in public buildings. According to the fire resistance of steel fire doors, their fire resistance can be divided into three grades: A, B, and C. Steel fire doors of different grades can be used in various places.

Stalen brandwerende deur-ZTFIRE Deur- Branddeur, Vuurvaste deur, Brandwerende deur, Brandwerende deur, Stalen deur, Metalen deur, Uitgangsdeur