... Turning, Milling, Drilling, threading, stampling, punching etc.Surface FinishPolishing, and aluminum plating, zinc plating, Sandblast, Electrophoresis, Anodization,Hard Anodizing,Electropolished,Passivated ... approve sample and arrange shipment.Producing Techinic processRaw material examination → aluminum ingot +back charge → melting → Refining → Spot tests→ Insulation → Die casting →(Inspection ...