Machining part made of copper: 1 Tight tolerance 2 Precision machining 3 Various materials ... available 4 Your drawings welcome CNC machining parts1.Material: Aluminum, copper, brass, bronze, stainless steel, zinc, carbon steel, iron, plastic, ... : Anodizing, chrome plating, zinc plating, nickel plating, polishing, brushing, power coating, vacuum vapor deposition (PVD), etc.3.Metal Process: stainless ...