Ntau lub qhov rooj muaj xws li cov qhov rooj tua hluav taws, yog li muaj kev xaiv loj heev ntawm kev tsim qauv suav nrog kev xaiv ntau thiab glazing. Cov rooj hluav taws kub feem ntau tau muag ua ib qho tiav 'teeb' nrog rau tus ncej thiab tseem ceeb ironmongery, uas tuav lub qhov rooj hauv qhov chaw ntawm hluav taws. Qhov no feem ntau yog kev daws teeb meem zoo li 'lub qhov rooj teeb' yuav tsum tau kuaj xyuas kom ntseeg tau txhua qhov tau sib xws.
Yog tias koj xav paub ntau ntxiv txog peb lub qhov rooj Steel thiab cov ntoo hluav taws xob, thov hu rau peb ntawm Alibabfz.en.Aspjfz.ex.xallyoferliist.0.4d611f5deodayq
