AZ55 top-hung outward tilt-turn aluminium window is our newly launched product which enjoys a high prestige AZ55 top-hung outward tilt-turn aluminium window is our newly launched product which enjoys a high prestige around the world.1)aluminium alloy2)any size and color is available3)surface treatment:anodized or powder coating4)briefness decent5)slient movement6)smoothly open and close we would ...