(1)suitable for large-sized outdoor advertisement equipment.

(2)advanced technologies and functions like anti-collision automodulation device

(3)numerically controlled stepping cam adjustable clearance propulsion system

(4)good quality,stalbe,safe and durable

(5)easy shipment and installation,the structure is flexible and can be assemble and dimantled in a matter of hours.

(6)qualified installation will ensure the service life for 10 years based on 16 hours working each day

(7)wind resistance capability:within scale 10

rotary method:opening curtain/closing curtain/wave mode/left-right order/right-left order/wave mode opening curtain