... MOQ 5. silver plated Non-standard Precision Copper ShaftType: copper shaftMaterial: pure copperModel: copper shaft-068Processing: CNC turningSurface treatment: silvr ... :stainless steel,carbon steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or customer specified. 3.Finishes: Anodizing ... the parts.4.Quality Assurance : IPQC inspect each copper shaft during every step; 100% inspection before ...