... 2. Manufacture method: sand casting 3. Finishing: shot blasting 4. Application: pump impeller Impeller,Pump casting, Casting,Pump parts 1)Material ... )Applied software for specification drawings: PRO/E, Auto Cad, Slid Work, CAXA, UG, CAD/CAM/CAE4) machining: CNC turning, Milling, Drilling, Grinding5 ...