Aluminum amplifier case Precise aluminum extrusion Anodized Aluminum amplifier case1) Alloy: 1060, 1070, ... , T3, T4, T5, T6, T7, T8, T351, T6513) Surface Treatment: plain, anode oxidation, plastic powder coating, elxtrophoresis, polishing, etc.4) Quote ... along with a thorough understanding of customer requirement. Aluminum Power Case