... Steel, Carbon Steel, Alloy Steel, Ductile Iron, Grey Iron, Copper, Aluminum Bronze, Malleable Iron etc.2) Process: Investment Casting, ... Die Casting, Centrifugal Casting, Forging and Stamping etc.3) Machining Types: Machined by Round Bar and steel plate, Drilling, Milling ... , Turning, Boring, Slating, Grinding,, NC/CNC Machining etc.4) Tolerance is controlled by CMM Machine.5) OEM ...