1.Aluminum Sun Louver &Shutter :

Advantage:
1. Adjust  indoor temperture,
2.Decrease the sun untraviolet radiation,
3.Sun  shutter  and  louver can  reduce  the  strong sunlight,
4.Reduce indoor temperture and avoid bright sunlight dazzle.
5.Save more than 30% air conditioner energy cost.
6.At the same time, Sun shutter / Sun Louver structure make the building magnificent apperance.