Hom hluav taws qhov rooj feem ntau yog muab faib ua ntoo hluav taws qhov rooj thiab steel qhov rooj hluav taws. Lawv muab faib ua peb qib: Qib A, Qib B thiab Qib C. Peb qib feem ntau yog qhov ntev ntawm lub sijhawm hluav taws kub. Chav Kawm A fireproof qhov rooj, nrog hluav taws kub ntawm 1.2; Chav B fireproof qhov rooj, nrog hluav taws kub ntawm 0.9; Class C fireproof qhov rooj, nrog hluav taws endurance ntawm 0.6.

ZHTdoors hluav taws qhov rooj, 31 xyoo ntawm kev tsim khoom hauv qhov rooj hluav taws thiab qhov rais. Lub ntsiab UL qhov rooj hluav taws, EN qhov rooj hluav taws, BS EN qhov rooj hluav taws, thiab lwm yam.,.Peb muaj ntawv pov thawj.ZHTdoors txhawb OEM thiab tsim dawb.Our zoo: zoo zoo, Hoobkas nqi, kev pabcuam zoo.Zoo siab txais tos los tham nrog peb.