... thread Machined by CNC and NC Machine Sand Casting Pump Inlet FlangeGrey IronChecked by Go&no go ... Process: Investment Casting, Sand Casting (Resin Sand Casting, Green Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting, Forging and Stamping etc.3) Machining Types: Machined ... , Milling, Turning, Boring, Slating, Grinding,, NC/CNC Machining etc.4) Tolerance is controlled by CMM Machine.5) ...