鋼質防火門（包括單門、子主門、雙門）。 鋼質防火門門扇根據厚度的不同可分為三個標準，標準越高，防火門的隔音、隔熱效果越好。

fire proof sliding hospital doors,formica internal fire door,residential fire rated prehung doors,wholesale fire doors,fire proof hospital doors,防火門，fire proof sliding hospital doors,residential fire rated prehung doors,穀倉式防火門，緊急出口防火門，fire proof hospital doors,緊急防火門價格，fire proof sliding hospital doors,fire retardant door,fire doors for textile industry,residential fire rated prehung doors,modern grey fire rated entry door,fire proof hospital doors,metal fire door