... produce parts according to customer’s drawings.Hardness CheckBalancing made for each pieceOther impellers of different sizes.Standard: ASTM, BF,BS ... , Grey Iron, Copper, Aluminum Bronze, Malleable Iron etc.2) Process: Investment Casting, Sand Casting (Resin Sand Casting, Green Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting, Forging and Stamping ...