The thickness of steel fire door leaf is divided into three standards, namely, Party A, Party B and Party C, with excellent sound insulation and heat insulation performance. Steel fire door hinges, locks, door closers and other vulnerable parts are of high quality, light and durable.

ZHTdoors protupožarna vrata, 31 godina iskustva u proizvodnji protupožarnih vrata i prozora. Glavna UL protupožarna vrata, EN protupožarna vrata, BS EN protupožarna vrata, itd. Imamo certifikate. ZHTdoors podržavaju OEM i besplatan dizajn. Naše prednosti: dobra kvaliteta, tvornička cijena, dobra usluga. Dobrodošli da nas konzultirate.