Fire door refers to the door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time.

https://ztfiredoor.com/13341.html

outswing fire rated door,steel fire door,smoke proof door,automatic fire door,steel door garage to house,composite fire doors,self closing fire door,steel emergency exit doors,double fire doors,double door fire door,double leaf fire door,automatic fire door,double emergency exit doors,self closing fire door,double fire exit door,double door fire door,double fire doors interior,automatic fire door,54mm fire door,self closing fire door,double door fire door