Rolling doors in our lives can often be seen, the use of commercial auxiliary doors are basically such doors, rolling doors have an advantage is: anti push device, to prevent the use of force to pry the door body, security anti-theft. The humanized design of automatic rebound in case of obstruction prevents the collision of the vehicle when the door body falls, and makes the vehicle or the vehicle pass smoothly. The door body is firm, and the door body is prevented from being forcibly pushed by the door body, and the utility model has the advantages of continuous alarm, safety and theft prevention.

根据建筑物的不同特点可以选择内装、外装、中装三种不同的安装方式，开启后卷帘收卷在门体上部，节省车库内部空间，并且不会把泥土、雨、雪等杂物带入到车库内，外表美观时尚。

According to can choose interior, exterior, with three different installation way of the different characteristics of the building, after opening the shutter in the upper door of rewinding, economical garage internal space, and does not have dirt, rain, snow and other debris into the garage, the appearance of fashion.

安全性是所有门类基本的功能。大多卷帘门由于宽度比较大，都是采用弹子横杆锁。这种锁具简单方便，价格也便宜。但安全性一般。容易被破坏。不过室内有人居住。由于一般门动响比较大。也是可以选择这类锁具的。如果像仓库等无人看守的高价值房室。选择上面的锁具显然是不够的，所以应当选择高强度材料跟有防撬工艺的卷帘门。

Security is the most basic function of all classes. Most rolling doors due to the width of the larger, are used billiards lock. This kind of lockset is simple and convenient, and the price is cheap. But security is common. Easily destroyed. But the room is inhabited. As a result of the general door sound is relatively large. It is also possible to choose such locks. If a warehouse, such as a warehouse, is left unattended. Choosing the above locks is obviously not enough, so high strength materials should be chosen with a tamper resistant rolling door.