The steel fire door is very durable. In the actual use process, the steel door is not easy to be damaged by the outside, which can protect the internal materials. The steel door frame will not deform after long-term use, and the steel fire door will not have quality problems due to frequent opening and closing.

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。