... (leadtime: 7-15 days)2.Casting: remove all burrs& sharp edges,ball blasting, sand blasting.;3.Machining: cutting,CNC machining, milling, drilling, griding ... .Can offer:1. Mold tooling R&D services 2. Production services 3. Secondary machining 4.Surface treatment (Tumbling, Polishing, Tapping, Sandblasting and ... Better products ,Better service,Better world! punching machine processing aluminium part