作为门控市场占比最高的智能门类型，这类型大门历史最悠久也最常见，但也是长板很长、短板很短的偏向型产品。

1、电动伸缩门优点

1、超大伸缩比，展开防护跨度大，收缩占地跨度小。它可以安安静静地蜷缩在角落，给车辆留下巨量的通行空间。

2、使用范围广，造型多样且美观，门花等外观上可设计空间大。

2、电动伸缩门缺点

1、衔接点较多，结构复杂，牵一发而动全身，某一处衔接点的脱落就会导致整体结构的瘫痪。

2、抗风相对其他门类产品来说等级较弱。

3、需预先埋设轨道或磁铁，容易受结冰、路面堵塞等情况影响

4、运行噪音较大。

As the type of intelligent door with the highest proportion of gate control market, this type of door has the longest history and is the most common, but it is also a biased product with a very long board and a very short board.

1. Advantages of electric telescopic door

1, super expansion ratio, the development of protection span is large, the contraction covers a small span. It can sit quietly in a corner, leaving plenty of room for traffic.

2, wide range of use, diverse and beautiful shape, the appearance of the door flower can be designed in large space.

2. Disadvantages of electric telescopic door

1, more cohesive points, complex structure, affecting the whole body, the loss of a cohesive point will lead to the paralysis of the overall structure.

2. Wind resistance is relatively weak compared with other categories of products.

3, need to be buried in advance track or magnet, easy to be affected by ice, road blockage and other conditions

4, running noise is large.