- 17
- Nov
4 Hour Fire Safe,Fire Resistant Door,Exit Door
The steel fire door leaf can be divided into three standards according to the thickness. The higher the standard, the better the sound insulation and heat insulation effect of the fire door.
fire resistant door,fire resistant doors for flats,4 hour fire safe,exit door ,
እሳትን የሚቋቋም በር አምራች ፣የቤት እሳትን የሚቋቋም በሮች ፣እሳትን የሚቋቋም በር ፣exit door,4 hour fire safe,የእሳት መከላከያ በር ደረጃዎች,fire resistant door,exit door ,fire resistant door locks,4 hour fire safe,
fire resistant,door paint,fire resistant door,እሳትን የሚቋቋም በር ማሌዥያ ፣ የብረት በር