... .Process: CNC machining 3.Tolerance: 0.02 Indutrial Engineering Machinery Parts Details: Material 301, 302, 303, 304, ... , STPPreferred Industriesa) Agriculture machineb) Mining Machinec) Engineering Machined) Industrial Machinee) Mechanical Equipmentsf) Other Customized Metal PartsCustomized ... flanges, valves parts, casting and forging parts, engineering goods, etc.5. Quality control following 3 phases ...