Lub qhov rooj hluav taws kub tsuas yog xav tau 1 KG lub zog, qhov qhib qhov nro tsawg dua 50N, txawm tias cov neeg zaum hauv lub rooj zaum muaj log tuaj yeem qhib tau yooj yim, lub qhov rooj tuav txoj hauj lwm yog teem rau ntawm 700-1100mm qhov siab, cov neeg laus thiab cov menyuam yaus tuaj yeem thawb thiab rub tau yooj yim. Lub qhov rooj hluav taws steel ntev npaum li lub qhov rooj raug thawb los ntawm tes, nws yuav nyob ntsiag to thiab cia li kaw, tsim kom muaj chaw nyob ntsiag to.

kev ruaj ntseg qhov rooj johor,hluav taws kub ntsuas qhov rooj kick phaj,Safe qhov rooj hinges, zoo tshaj plaws kev ruaj ntseg qhov rooj xauv,

hluav taws kub resistant qhov rooj manufacturers,kev ruaj ntseg qhov rooj johor,ob chav steel ruaj ntseg qhov rooj nrog kho vajtse, duab ntawm ntoo kev ruaj ntseg qhov rooj rau flats,ruaj ntseg qhov rooj hinges,kev ruaj ntseg qhov rooj qhov ntev,zoo tshaj plaws kev ruaj ntseg qhov rooj xauv,precision steel qhov rooj ruaj ntseg, hluav taws kub nyob qhov rooj 90 feeb, labeled vaj huam sib luag qhov rooj,

ntoo fireproof qhov rooj,kev ruaj ntseg qhov rooj johor,siv qhov rooj thaum muaj xwm ceev, hluav taws kub ntsuas qhov rooj ul, hluav taws kub ntsuas qhov rooj nyob