Precision CNC machining services Material :Steel,Zinc,Aluminum,Brass We fabricate metal parts over 10.000.00pcs/year copper plated screw MaterialSteel.zinc.aluminum .brass,stinless steelSurface treatmentNickel plating.zinc plating and chrome plating.oxidationTolerance+/-0.02mmThreadNPT,BSP.M.GHT>Un.NPSM.BSPT .CHT.NPTFMain processesMachining.drilling.threading.knurling.turning.Drilling.stamping. ...