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fire door and fire exit,fire exit alarm,emergency door lock

The fire doors divide the space of the building into several fire compartments, so that once a fire occurs in each fire compartment, it can not spread outward for a certain period of time, so as to effectively control the fire. The steel fire door has high strength and good fire prevention effect.

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fire door and fire exit,fire exit alarm,emergency door lock-ZTFIRE Door- မီးသတ်တံခါး၊ Fireproof Door၊ Fire rated Door၊ Fire Resistant Door၊ Steel Door၊ Metal Door၊ Exit Door