... chromate 4. Material: Al 6061 T6 CNC machining , CNC turning , CNC milling1.Precise CNC machined parts, used in medical instrument or ... year experience. 4.Strong design team and computer ability, software: AutoCAD, Solid works, Pro-E, Mechanical desktop, CAD ... Production process: turning, milling, drilling, lathing, grinding, wire cutting.8.Finish: zinc plated, nickel plated, chrome plated, anodize ...