Lub qhov rooj hluav taws steel yog tsim los ntawm steel ncej thiab lub qhov rooj steel nplooj. Cov qauv hlau tuaj yeem ua kom ntseeg tau tias nws tsis raug cuam tshuam rau kev cuam tshuam deformation thiab kev puas tsuaj rau sab nraud, thiab tuaj yeem siv tau ntev ntev yam tsis muaj kev hloov pauv. Cov khoom siv yooj yim-rau-nruab hauv lub qhov rooj hluav taws steel, xws li cov rub, yog txhua yam khoom siv zoo, zoo thiab ruaj khov.

4 panel fire door white,hluav taws kub resistant qhov rooj manufacturers hauv Mumbai,hluav taws qhov rooj 926 x 2040,hlau ruaj ntseg qhov rooj,fire door numbers,

hluav taws kub resistant qhov rooj chaw tsim tshuaj paus, hluav taws kub resistant qhov rooj rau tsev, hluav taws kub resistant qhov rooj,4 panel fire door white,hluav taws kub resistant qhov rooj qauv, hluav taws kub resistant qhov rooj,hluav taws qhov rooj 926 x 2040,hluav taws kub resistant qhov rooj xauv,fire door numbers,

hluav taws kub resistant, qhov rooj xim,4 panel fire door white,hluav taws kub resistant qhov rooj Malaysia, hlau qhov rooj