1. Manual rolling shutter. With the help of the balance force of the torsion spring on the central shaft of the roller shutter, the purpose of manually pulling the roller shutter is achieved.

2.电动卷帘。用电机带动卷帘轴转动，达到卷帘开关，当转动到电机设定的上下限位时自动停止。卷帘门电机有：外挂卷门机、澳式卷门机、管状卷门机、防火卷门机、无机双帘卷门机、卷门机等。

2. Electric roller shutter. Use the motor to drive the central axis of the rolling shutter to rotate to reach the rolling shutter switch. When it reaches the upper and lower limit set by the motor, it will stop automatically. Rolling shutter door motor: external door rolling machine, Australian door rolling machine, tubular door rolling machine, fireproof rolling door machine, inorganic double curtain rolling door machine, rolling door machine, etc.

 

按门片材质分为无机布卷帘门，网格卷帘门，铝合金卷帘门，水晶卷帘门，不锈钢卷帘门，彩钢板卷帘门，卷帘门，按安装形式分为墙中、墙侧(或称洞内、洞外)两种。

According to the door material, it can be divided into inorganic cloth rolling shutter door, grid rolling shutter door, aluminum alloy rolling shutter door, crystal rolling shutter door, stainless steel rolling shutter door, color steel rolling shutter door, rolling shutter door. According to the installation form, it can be divided into two types: Wall in wall and wall side (or called inside and outside the hole).

按开启方向分为上卷和侧卷两种。

According to the opening direction, it is divided into roll up and side roll.

按用途分为普通卷帘门、防风卷帘门、防火卷帘门、卷帘门、电动澳式(静音)卷帘门。

It can be divided into ordinary rolling shutter door, windproof rolling shutter door, fireproof rolling shutter door, rolling shutter door and electric Australian (silent) rolling shutter door.

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