1. Aluminium extrusion case 2. Professional manufacturer 3. The technical and professional ... 6061, 6063, 6082, 7003, 7005, 7075.DimensionsAccording to customer’s drawingSurface treatmentbrushing, sand blasting, polishing, powder coating, electrophoresis, clear anodized ... specification drawings, either small or large quantity is acceptable for us. We are sincerely expecting to cooperate with you. ...