UL steel hluav taws qhov rooj muaj qhov ntsuas hluav taws kub ntawm 20 feeb mus rau 3 teev. UL Fire Door Thaum muaj hluav taws kub, lub qhov rooj hluav taws tuaj yeem tiv thaiv kev sib kis ntawm cov pa taws thiab tuaj yeem tiv thaiv kev sib kis ntawm hluav taws.

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.