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