The interior of UL fire door is filled with perlite fire door core plate, and the surface treatment is electrostatic polyurethane powder coating. UL fire door hardware standard configuration handle lock/escape push rod (pressure bar) lock, door closer, stainless steel hinge, stainless steel bolt, alignment device, worth mentioning, hardware accessories need to carry UL labels.

ZHTdoors iingcango zomlilo, iminyaka eyi-31 yamava okuvelisa kwiingcango zomlilo kunye neWindows. Iingcango eziphambili zomlilo ze-UL, iingcango zomlilo ze-EN, iingcango zomlilo ze-BS EN, njl., Sine-certification.ZHTdoors ixhasa i-OEM kunye ne-design.Our yamahhala: umgangatho omhle, ixabiso lefektri, inkonzo enhle.Wamkelekile ukuba uqhagamshelane nathi.