UL steel fireproof door is made of steel frame, door leaf frame and door leaf panel. If the door leaf is filled with materials, it is filled with fire and heat insulation materials that are harmless to human body. The utility model relates to a fireproof door with a certain fire resistance, which is composed of fireproof hardware fittings.

ZHTdoors albaabbada dabka, 31 sano oo waayo-aragnimo wax soo saar ah oo albaabbada dabka iyo Daaqadaha. Albaabada dabka UL ee ugu muhiimsan, albaabada dabka EN, BS EN albaabbada dabka, iwm.