UL Fireproof Door Knobs

The handle of fire door is generally made of stainless steel, which has the characteristics of smooth and flat surface, elegant appearance, flexible opening, durability, convenient use, safety and reliability. Door leaf with certain fire resistance, which is composed of hardware such as fire door handle.

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。

UL Fireproof Door Knobs-ZTFIRE門-防火門,防火門,防火門,防火門,鋼門,金屬門,出口門