Roller shutter door definition: Rolling shutter door, also known as volume, multi-joint activities of the door series together, in a fixed slide, the upper door scroll up and down as the center of the door.
Shutter doors for the environment: for commercial facades, garages, shopping malls, hospitals, factories and mines, and other public places or residential. In particular, larger openings, inconvenience to install the ground door body to play a convenient place, quickly open role. Such as garage doors, shopping malls fire shutter doors hangar doors.
Open the way there are manual shutter and electric shutter 2 ways.
The manual shutter doors with the help of the torsion spring on the central axis of balancing power to achieve the purpose of manually pulling the roller shutter
The electric shutter doors are driven by a dedicated motor rotation shutter shaft to reach the shutter switch, when the motor to set the upper and lower limits automatically stop.