开启面积大，视野开阔，拓展室内空间；
操作简单，滑动轻巧，可做内开、外开；
滑动系统全部隐藏在型材腔体内，受力均匀，避免轨道积灰。
多种开启方式设计，并且可以设计成无立柱的转角系统。

Large opening area, wide field of vision, expanding indoor space;
The operation is simple, the sliding is light, and it can be opened in and out;
The sliding system is all hidden in the profile cavity, and the force is uniform to avoid dust accumulation on the track.
Various opening methods are designed, and it can be designed as a corner system without column.