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BS fire door break latch,fire rated door door lock,fire door seals gaskets
Fire door refers to the door that can meet the requirements of fire stability, integrity and heat insulation within a certain period of time. Prevent the spread of fire within a certain period of time, ensure the evacuation of personnel, strive for time for escape and fire fighting, cooperate with the fire fighting access, and reduce fire losses. The installation of fire doors can ensure personal safety and property safety to a certain extent.
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