The steel fire door has a good airtightness, and the closing is in place and tight. The wear-resistant parts such as pulleys and rails are all high-quality hardware, which have been strictly tested to ensure the service life of the product.

https://ztfiredoor.com/25418.html

usa de foc metalica,overhead fire door,uși antifoc din piropanel, oblon antifoc cu ușă de ieșire,30 minute fire door external,28 usa rezistenta la foc,30 minute fire door external,24 inch fire rated door,double fire doors interior,30 minute fire door external,fire proof doors for sale,2 hour rated door,30 minute fire door external,usi decorative ignifuge,30 minute fire door external,ușă de foc îngustă, ușă cu rezistență la foc în perete de 1 oră,overhead fire door,fire rated door with vision panel,fire rated hollow metal door,overhead fire door