window and door material

we are dealing with the common window material and hot to break the bridge aluminum metal alloy type.
The aluminum metal alloy typeis the most hard heavy duty,most stanza can the heat preservation's door window material.
Such as : GT90 to push to pull the window series; GP503 inside the even open the window series. GT90 to push to pull a window,
Static electricity powerspray to draw and other type could be producted according to customer's requirements.
pls contact us for more information