Lub sijhawm hluav taws kub ntawm chav kawm B steel qhov rooj yuav tsum tsis pub tsawg dua 1.0 teev, thiab cov khoom siv kho vajtse siv rau ntawm qhov rooj hluav taws yuav tsum yog cov khoom siv hluav taws xob tiv thaiv hluav taws. Lub qhov rooj hluav taws steel tsuas yog yuav tsum tau thawb qhib los ntawm tes, thiab tom qab ntawd nws yuav raug kaw ntsiag to thiab txiav, tsis muaj lub suab nrov ntawm lub khob zoo li qhib lub qhov rooj sab hauv thiab sab nraud, thiab tom qab ntawd tsim ib qho chaw ntsiag to.

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.