... .Finish:Black anodizing or other finish required; 3.Application:air compressor part. 1.Specification: Material Aluminum, Steel, Brass, POM ... Precision Cutting Machinesf) Argon Welding Machinesg)NC Bending MachinePreferred FormatsJPEG, PDF,CAD,IGSPreferred Industriesa) Communication Equipmentsb) Medical Equipmentsc) House Hardwared) ... anytime. cnc machining fitting by aluminum for air compressor