shutter' s features are as follows:

1 .Alloy: Aluminum,6063T5

2.50series . it can be finished by anodizing, electrophoresis, powder coating, and PVDF in any color.

3.wall thickness : 1.4mm

4.hardware : made in China

5.Material : aluminium. Reliability and lightness: the technology takes the best from aluminium. "Moving" products, like the windows, become the most reliable, thanks to the exclusive installation systems too.

6.both the top and bottom orbits use the high quality aluminum extruded  as a mold ,and the coating applies electrostatic and powder coating technics.

7.with a high heat reflection rate ,the aluminium blades can reflect most of the heat ,this helps improve the function of the air-conditioner thus achieving the objective of energy-saving.

8.The elegant decorative effect. The surface of aluminum alloy windows have artificial coloring oxide film forming composite film, which not only corrosion resistance , wear resistance, has certain degree of fire power but also with a  high gloss. Because of light weight and accurately processing ,aluminum alloy windows open and close flexiblely  .