The steel heat insulation fire door is a door which can be fire-resistant, heat-insulating and smoke isolating in a certain period of time and is composed of stainless steel and other materials with flame retardant treatment. The steel insulated fireproof door can be set in the fire compartment, evacuation staircase, vertical shaft and other escape positions.

ZHTdoors branddeure, 31 jaar se produksie ondervinding in branddeure en Vensters. Die belangrikste UL-branddeure, EN-branddeure, BS EN-branddeure, ens.. Ons het sertifisering. ZHTdeure ondersteun OEM en gratis ontwerp. Ons voordele: goeie gehalte, fabrieksprys, goeie diens. Welkom om ons te raadpleeg.