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commercial exterior steel security doors,stainless steel commercial kitchen doors,steel sectional garage doors

In order to prevent fires in some large shopping malls, fire and security doors are installed between many cargo spaces. If a fire occurs, stop the fire from spreading in time by closing the fire door. The filler used in the door plays a great role in the fire prevention function. Almost all fireproof and anti-theft doors on the market use glass magnesium fireproof board as a fireproof material.

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