... by CMM Machine for high concentricity.Machined by CNC and Vertical LatheISO9001:2000Machined by NC MachineTapping the hole ... Steel, Alloy Steel, Ductile Iron, Grey Iron, Copper, Aluminum Bronze, Malleable Iron etc.2) Process: Investment Casting, Sand ... and Stamping etc.3) Machining Types: Machined by Round Bar and steel plate, Drilling, Milling, Turning, Boring, Slating, Grinding,, NC/CNC Machining ...