The fuse of fire shutter door is used with the matching device of fire shutter machine, which is used in the state of no one and power off when a fire occurs. When the surrounding environment reaches a certain temperature, the metal sheet is fused along with the temperature, so that the self weight of the fireproof rolling shutter door is reduced, which can isolate the smoke and fire spread.

ZHTdoors magonhi emoto, 31 makore ekugadzira ruzivo mumagonhi emoto uye Windows. Iyo huru UL magonhi emoto, EN magonhi emoto, BS EN magonhi emoto, nezvimwewo, .Tine certification.ZHTdoors inotsigira OEM uye yemahara design.Our zvakanakira: kunaka kwakanaka, mutengo wefekitari, basa rakanaka.Welcome to consult us.