On the premise of ensuring the fire protection effect, the steel fire door has the characteristics of environmental protection and durability, and is very suitable for use in public places. The steel fire door is made of cold-rolled steel plate, which is galvanized steel plate. It has good corrosion resistance, good fire protection effect, beautiful and flat surface, and good painting performance.

Portes coupe-feu ZHTdoors, 31 ans d’expérience dans la production de portes coupe-feu et de fenêtres. Les principales portes coupe-feu UL, portes coupe-feu EN, portes coupe-feu BS EN, etc.