... 2.machinery,autos,equipments. 3.Bit tolerance,best price 4.mould can lead 5.modern CNC processing 1.Features ... :1. Raw materials: from pure aluminum to duralumin2. Resistant corrosion,resistant aging, fastness, easy installation.3. Utility: machinery ... edges,ball blasting, sand blasting.;3.Machining: cutting,CNC machining, milling, drilling, griding,punching,screwing etc.;4 ...