The spare parts easy to be damaged in the steel fireproof door, such as rollers, are all high-quality hardware with excellent quality and durability. The steel fire door can quickly set windows, louvers, natural ventilation louvers, etc. as required.

ZHTdoors防火門，31年防火門窗生產經驗。 主營UL防火門、EN防火門、BS EN防火門等。我們有認證。ZHTdoors支持OEM和免費設計。我們的優勢：質量好，出廠價，服務好。歡迎諮詢。