aluminium alloy window take the advantages :

-super-tightness, anti-ageing, non-deflectio

-stable&durable

-noise&heat resist

aluminium alloy window product details as below:

-Thermal break aluminum alloy,powder painting in white color.

-Germany Roto hardware/high quality hardware

-double insulating glasses/tempered glasses/low-e glasses,filled with argon gas.

-tilt&turn opening.