Extruded aluminum electronic enclosures 1.High precision & good matching 2.Compact resistance 3.Waterproof 4.Real ... Catia ect.2.Available for OEM/ODM service and very super precision reach to 0.001mm.3.Standard mold base.4.Send ... nuts, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing ...