As the name implies, steel fire door is made of steel. The performance price ratio of steel fire door is also relatively high, because the price of steel itself has always been low.

https://ztfiredoor.com/24114.html

fire exit door with window,metal emergency exit doors,fire rated emergency exit doors,pvc fire exit doors,fire exit double door,fire exit door with window,sliding door emergency exit,metal emergency exit doors,external fire escape doors,pvc fire exit doors,door for fire exit,fire exit door with window,double door emergency exit,metal emergency exit doors,double door fire exit,pvc fire exit doors