1 hour fire rated metal golden fire waterproof door,20 minute fire rated door
Steel fire doors are made of high-quality steel and filled with fire-resistant materials, and are always at the forefront of the industry. Some public places and large shopping malls use steel fire doors. Steel fire door pulleys, crawlers and other wear-resistant accessories are imported hardware, and the number of times of use has been strictly tested to ensure the service life of the product.
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