... include alloying, tooling manufacturing, extrusion, precision CNC machining, metal stamping, welding, finishing and assembly. 6.We customize our extrusions ... by cutting, punching, drilling, chamfering, bending, stamping, CNC milling and lathing.7.You can choose from a variety of ... without color, hard anodizing, powder coating, painting and silkscreen printing. cnc machining 6061 aluminum profile