... Steel 2,Process: Turning+drilling 3,Machine:NC lathe+ drilling machine 4,Zinc Anodize CNC Machining1.All ... your requirements. Materialsteel, stainless steel, Invar, carbon steel, free cutting steel, aluminum, brass, copper, alloy, etcFinishPlating, Oxidation, ... QC and engineers.4.Our goal: Quality First, Competitive Prices and Perfect Services High quality Custom various material cnc machining