The materials of fire doors include steel, steel wood, wood, glass, etc. Mosaic glass, semi glass and fire doors with lighted windows. The lighting degree and aesthetic performance of the fire door in the evacuation area are improved.

Deriyên agir ZHTdoors, 31 sal ezmûna hilberînê di deriyê agir û pencereyan de. Deriyên agir ên sereke yên UL, deriyên agir EN, deriyên agir BS EN, hwd.. Em xwedî sertîfîkayê ne.