... 6063 3):High-density and various shape 6063 aluminum pipe/tube/Threaded tubes1.material: Aluminum 60632.surface treatment: Zinc plated, anodize ... . Equipments: CNC machines, Semi-automatic Horizontal Cutting Machines, Semi-profile Groove Machines, Automatic Profile Groove Machines, Automatic Cutting Machines, Punching Machines,Triangle Drawing Machines, Polishing Machines, Automatic lined ...