发布人：http://www.kdjlm.com 发布时间：2018-03-06 17:14:18
1. manual rolling shutters. With the help of the balance force of torsion spring on the center axis of the rolling curtain, the purpose of manual pulling rolling curtains is achieved.
2. electric rolling shutters. A special motor is used to drive the centering axis of the rolling curtain to reach the rolling shutter switch, and it will stop automatically when the upper and lower limits set by the motor are turned.
Roller shutter door special motor has: outer coil door machine, pipe type door machine, fire roll door machine and so on.
3. according to the door material, it is divided into curtain door, aluminum alloy curtain door, crystal curtain door, stainless steel curtain door, color steel plate curtain door, Australian roll curtain door.
4. according to the installation form is divided into two kinds of wall, wall (or side, outside).
5. in accordance with the use of common curtain door, windproof curtain door, fire curtain door, electric Australian (quiet) roller shutter door.
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