1. Aluminium extrusion case 2. Professional manufacturer 3. The technical and professional effectiveness Aluminium extrusion1. Various Alloy Choice2. Various surface treatments:3. Material: AL6063, 6061, 6082, 6463.4. Capability: Outer diameter≤240mm Other Specification: Item NO. Aluminum alloy CNC processingMaterialsAluminum No.2011, 2014, 2017, 2024, 1060, 3003, 5052, 6011, 6061, 6063, 6082, ...