1.外壳采用6063铝材
2.配件方面全部标配不锈钢螺丝FM-CFF采用不锈钢盖片，FM-CYF采用尼龙材质盖片
3.FM-CFF标配全包式硅橡胶密封条，在升降时降低内部构件与外壳摩擦产生的噪音
4.标配圆形铜头
5长度:可以定做的长度为350mm-1500mm
6.外壳贴有膨胀式防火条，遇明火后会迅速膨胀，适用于防火门
7.常规长度产品可自行裁切的长度
8.800mm最短可裁切至700mm
9.915mm最短可裁切至800mm
10.1000mm最短可裁切到900mm


1.Using 6063 Aluminium frame.
2.Using stainless steelscrews.FM-CFFusingstainless steel cover.FM-CYFusing nylon cover.
3.FM-CFFusing silicone sealing strips to coverthe inside part, reduce thefriction when it drop down and reboundback, and then reduce the noise. 
4.Using round copper bolt
5.Length:Can do 350mm-1500mm
6.Thefireproof sealing strips on theframe. it is suit for fireproof door.
7.Normal length:800mm,915mmand 1000mm
8.800mm can be cutted to 700mm
9.915mm can be cutted to 800mm
10.1000mmcan be cutted to 900mm