window and door frame aluminum extrusion 1)Reasonable price,quick delivery 2)Best quality service window and door frame aluminum extrusion1.Material 1000 and 6000 series 2.TemperT4,T5,T6 3.ISO Certifications ISO9001:2000 4.SizeThe size are available in accordance with customers' options. 5.Surface Processing Mill finish, Powder Coating, Anodizing, Sandblasting Anodizing,Cataphoresis, Sandblasting ...