In order to avoid people’s health being threatened, the filling materials in the wooden fire doors are non-toxic and environment-friendly fire insulation materials, which not only reduce the production cost, but also achieve energy conservation and environmental protection. The fire resistance of wooden fireproof door shall not be less than 0.6 hours.

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.