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Fire Rated Door Frame manufacturers
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Fire Rated Door Frame manufacturers
Website URL:
http://www.gtsteeldoor.com/steel-door/steel-door-frame/fire-rated-door-frame.html
Category:
Manufacturing - Telecommunication Products
The fire endurance and heat insulation performance of our fire rated door frame is not less than 90 minutes. The gap between the leaf and fire rated door frame on both sides will not be greater than 4mm.
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