precision processing aluminium products 1.Material:pure aluminum/ ... oxidation,plastic,spray-paint,ect. 2.Process: 1.Tooling making (leadtime: 7-15 days)2.Casting: remove all burrs ... sharp edges,ball blasting, sand blasting.;3.Machining: cutting,CNC machining, milling, drilling, griding,punching,screwing etc.;4. ... work Better products ,Better service,Better world! high precision aluminium machine part