1.Name: Mud Pump Valve Body 2.Material: Alloy Steel, Ductile Iron 3.Finishing: EPD Coating ... Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting etc.3) Machining Types: Machined by Round Bar, Drilling, Milling, Turning, Boring, Slating ... , Grinding,, NC/CNC Machining etc.4) Tolerance is controlled by CMM Machine.5) OEM ...