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.

根據建筑物的不同特點可以選擇內裝、外裝、中裝三種不同的安裝方式，開啟后卷簾收卷在門體上部，節省車庫內部空間，并且不會把泥土、雨、雪等雜物帶入到車庫內，外表美觀時尚。

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.

性是所有門類基本的功能。大多卷簾門由于寬度比較大，都是采用彈子橫桿鎖。這種鎖具簡單方便，也便宜。但性一般。容易被破壞。不過室內有人居住。由于一般門動響比較大。也是可以選擇這類鎖具的。如果像倉庫等無人看守的高價值房室。選擇上面的鎖具顯然是不夠的，所以應當選擇高強度材料跟有防撬工藝的卷簾門。

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.