... years casting experiences 3.CNC all types of lathes 4.OEM offered Investment casting pump parts/Pump impeller: Material CF8MProcess ... machining CNC, milling machine, drilling machine, numerical lathe, all types of lathe.Surface finish process polishing, sand blasting, t6 ... ,Mechanical properties test. Service OEM service available. Product all kinds of casting(unit weight ≥0.1kg) Advantage Good ...