UL fireproof door can ensure the safety of personnel and property to a large extent within the time required by the standard. UL fireproof door can give consideration to thermal insulation, sound insulation, air tightness and other properties.

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.