CNC stamping aluminium part 1.Material:pure aluminum ... burrs& sharp edges,ball blasting, sand blasting.;3.Machining: cutting,CNC machining, milling, drilling, griding,punching,screwing etc.;4.Finishing ... tooling R&D services 2. Production services 3. Secondary machining 4.Surface treatment (Tumbling, Polishing, Tapping, Sandblasting and ... products ,Better service,Better world! aluminium stamping parts