The spare parts easy to be damaged in the steel fireproof door, such as rollers, are all high-quality hardware with excellent quality and durability. The steel fire door can quickly set windows, louvers, natural ventilation louvers, etc. as required.

https://ztfiredoor.com/20598.html

90 min fire rated 36 inch hotel door,28” fire rated prehung door,1 hour fire rated sliding door,fire rated double swing doors,entrance fire rated door,fire rated louvered door,90 min fire rated 36 inch hotel door,exterior front entry door fire rated,1 hour fire rated sliding door,fire rated door steel black,entrance fire rated door,fire rated sliding door,90 min fire rated 36 inch hotel door,fire rated escutcheon lever trim for exit door,entrance fire rated door,1 hour fire rated sliding door