Hluav taws kub ntsuas qhov rooj steel qhov rooj nplooj tuab yog muab faib ua peb tus qauv, A, B, C, thiab muaj lub suab rwb thaiv tsev zoo thiab kev ua haujlwm kub. Steel qhov rooj hluav taws tuaj yeem muab cov qhov rais, qhov rooj kaw, qhov cua qhov rooj, thiab lwm yam raws li qhov xav tau. Txais tos kom sab laj peb.

is a metal door fire rated, qhov rooj hluav taws vs lub qhov rooj qub, hluav taws kub qhov rooj ncaws pob,fire rated metal doors and frames,steel fire rated door with glass,

hluav taws kub resistant qhov rooj manufacturers,is a metal door fire rated, fireproof lub qhov rooj, hluav taws pov thawj qhov rooj khoom,fire rated metal doors and frames,Hluav taws kub ntsuas qhov rooj thickness, steel qhov rooj x,steel fire rated door with glass,hluav taws nyob qhov rooj 90 feeb, 600mm hlau qhov rooj,

ntoo fireproof qhov rooj,is a metal door fire rated,hlau qhov rooj 36 x 80, hluav taws kub ntsuas qhov rooj ul, hluav taws kub ntsuas qhov rooj nyob