Product Description

1. One of the most university and utility series with decent and artistic.

2. A new series that casement sash combined with manual shutter, as avoid the wooden performance of the shutter and could be an Exit under the urgency.

3. The traditional shutter is lack of airproof, while nowadays adopt the EPDM strip three tracks, improves the performance the water-proof and air-proof.

4. The light could be adjusted at will due to the convenient controlling of the shutter's manual handle as well as the enjoying the soft sunshine and fresh air.