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 ,

tagagawa ng pinto na lumalaban sa sunog, mga pintong lumalaban sa sunog para sa bahay, pintong lumalaban sa sunog,exit door,4 hour fire safe,mga pamantayan ng pinto na lumalaban sa sunog,fire resistant door,exit door ,fire resistant door locks,4 hour fire safe,

fire resistant,door paint,fire resistant door,pintuang lumalaban sa apoy malaysia,pintong metal