... Aluminium window extrusion 2)Aluminium door extrusion 3)Aluminum window4)Aluminum door 1)Aluminium door extrusion profiles/frame2) ... /door extrusion are various upon request7)Processing of aluminum extrusion windows/doors: extrusion, cutting, drilling,skiving,CNC machining, ... treatment, hard-anodized and so on9)Surface colors for aluminum windows/doors: yellow, silver, black, white,blue, natrual, matt ...