Lub qhov rooj hluav taws yog ua los ntawm cov khoom siv tiag tiag los tiv thaiv koj txoj kev nyab xeeb. High-density fire door core board + tag nrho cov khoom tuab = qhov rooj zoo. Peb yog ib qho chaw tsim hluav taws xob qhov rooj rau kev tsim thiab tsim khoom.

hluav taws kub ntsuas steel qhov rooj nrog iav,hluav taws kub ntsuas hlau qhov rooj,hluav taws xob qhov rooj, hluav taws xob qhov rooj, hluav taws kub pov thawj qhov rooj xwm txheej ceev,hluav taws kub qhov rooj txias chav tsev,hluav taws nyob tsis pom qhov rooj,hluav taws kub ntsuas steel qhov rooj nrog iav,hluav taws kub nyob rau hauv qhov rooj, hluav taws kub nyob steel qhov rooj,hluav taws kub ntsuas hlau qhov rooj,hluav taws kub ntsuas steel qhov rooj manufacturers,hluav taws kub qhov rooj txias chav tsev,hluav taws kub primed steel lag luam qhov rooj,hluav taws kub ntsuas steel qhov rooj nrog iav,hluav taws nyob hauv qhov rooj,hluav taws kub qhov rooj txias chav tsev,90mins hluav taws kub ntsuas qhov rooj ntoo,hluav taws kub ntsuas hlau qhov rooj