Curtain of use double deck or single aluminum alloy via extruding,rolling forming,

The appearance of the use of special surface treatment technology,

not only is solid and reliable ,and has the very good durablilty.

Curtain of combination between closely, ensure the door of the express operation ,high efficiency,safety.

Open way：manual control ，power-driven，remote control

Colour：optional

Using：quick、no noise，save inte space and install conveniently