1).Good watertight and airtight
2).Noise insulation
3).Insulating glass
4).Germany hardware.
5).CE certificate

1,Good sound insulation performance,grately reducing the hazards of noise pollution on the human body and creating a comfortable living environment. 

2,Available in any sizes as per your needs 

3,Simple and convenient operation, occupying small space, elegant in appearance

4,Good watertightness performance, air permeability performance, noise insulation and heat resistant property.

5,Elegant, economical and popular use        

  6,Easy to install and clean 

7,Aluminium window resists warping,rotting and twisting,require low maintenance