2. Heat preservation and energy saving
Our production of external sun shading rolling shutter Aluminum Alloy curtain sheet, middle filled polyurethane foam with high density, the authority of the State Department inspection certification, the heat transfer coefficient is only 5.3W/ (M2 - K) to realize the energy-saving insulation effect.
3, Sound insulation, noise reduction
No noise type shutter window not only its own operation, and when Home Furnishing is located in the heart of the road and the airport noise zone, after installation can greatly reduce outside noise interference, living and learning are not affected.
4, security anti-theft
The inner of the rolling window is provided with an anti pushing track and an anti prizing device, and the utility model can not be opened from the outside after being closed, and the utility model has the advantages of firmness, durability, safety and theft prevention.