This wind-operated system flag pole is just for the ceremony and sports games which held indoors.
Detailed introduction to The electric-operated flag pole for World Expo 2010:
The feature of wind-operated flag pole:
1.Gerenally,this type of flag poles is used to be installed indoors,like sports stadium,and the auto wind machine can make the flag flutter natually and beautifully.
2.The wind device which is installed in the flag pole,and when you are hoist a flag,turn on the wich of the wind device,then there has wind from the device blow to the flag.
You can see our this kind of flag pole's pictures at our website.