... , anti-aging,corrosion preventive. According to the height of roller shutter, reelpipe diameter can be choosed 50mm, 70mm, 80mm ... and reliability in installing and using. Electric shutter installs bearing can be realized in a motor drive a few ... platform, multimedia central control system.Structure Diagram More Information Type: Roller Shutter, Curtains, Blinds Brand: Boosly Frame Material: Aluminum ...