alloy die cast with OEM service 1 ... ,Hard Anodizing,Electropolished,Passivated.processing and equipment Tooling, die casting, deburring, tapping, polishing, painting, assembly and ... aluminum ingot +back charge → melting → Refining → Spot tests→ Insulation → Die casting →(Inspection)→Trimming → (Inspection) → Clean-up → (Inspection) → surface ... will contact you asap. aluminum die cast with OEM service