stainless steel forging rings: 1.stainless steel,aluminum, 2.tolerance:+/-0.002mm 3.CNC, ... .ISO9001:2008 Most of the cnc precision stainless steel forging rings are used in motorcycle,instruments,meters etc. Not agency, not ... .02 large platform1 crane1 3. cnc precision stainless steel forging rings details listPrecision processingOEM/ODM is availableTolerance/precision0.01~0.002mm ...