... copper water impeller 2. 35 years casting experiences 3. CNC, all types of laths 4. OEM 5.ISO9001,export entitlement water impeller1 ... Pro/E, Auto CAD, Solidwork, CAXA UG, CAD/CAM/CAE.3. Precision machining: CNC, milling machine, drilling machine, numerical lathe, ... all types of lathe.4. Surface finish process: polishing, sand blasting, heat ...