door commercial exterior fire rated steel doors,stainless steel fire door,3-hour-fire-rated-door 8”
Steel fire door with high strength, good fire prevention effect. The many advantages of steel fire doors make them occupy a large market share in public buildings. The fireproof material filled inside the door is environmentally friendly and pollution-free. The surface treatment process of the door is powder spraying or PVC film covering, which is a mature environmental protection technology.
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