- 27
- Feb
fire rated interior doors aluminium,fireproof fire rated external door,fire rated automatic sliding doors
As fire has become an important safety hazard in modern buildings, fire fighting has been paid more and more people’s attention, with fire doors as an important means of fire separation. The fire door divides the space of the building into a number of fire zones, so that each fire partition once the fire occurs, it can not spread outward in a certain period of time, so as to effectively control the fire.
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