Shandong Homand Security Technology Co., Ltd.
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High fire-resistant fire doors are usually installed in firewalls, front rooms, corridors, and stairwells.
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It is one of the important facilities that can effectively block the fire and ensure the safe evacuation of personnel.
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In general, fire doors are classified based on their combustion performance into non combustible fire doors and refractory fire doors.
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According to the opening method, there are swing doors, sliding doors, hanging doors (lifting doors), and rolling shutter doors.
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