The door frame of UL fireproof door is made of galvanized steel plate, and the door leaf is made of galvanized steel plate, stainless steel plate, and coated steel plate. The interior is filled with perlite fireproof door core plate. The fire resistance rating of UL fireproof door is 20-180 minutes, please consult us.

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.