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 kofofin wuta, shekaru 31 na ƙwarewar samarwa a cikin kofofin wuta da Windows. Babban UL wuta kofofin, EN wuta kofofin, BS EN wuta kofofin, da dai sauransu,.Muna da certification.ZHTdoors goyon bayan OEM da free design.Our abũbuwan amfãni: kyau quality, factory farashin, mai kyau service.Barka da tuntubar mu.