... , Malleable Iron, and etc. 2. Investment Casting, Sand Casting (Resin Sand Casting, Green Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting, Forging and Stamping etc. 3. Machining Types ... , NC/CNC Machining etc. 4. Tolerance is controlled by CMM Machine. 5. Special design is available. 6. Standard: ASTM, BF,BS ...