... Process:turning surface treatment:no professional manufacturer steel machining drilling part :Material:steelsurface treatment:notype:turningFast ... company for your referenceOur factory:Order details: ProcessingCNC Machining, Turning, Milling, Stamping, Die Casting, injection ... mould,4&5 axis machining Applicable MaterialAluminum/zinc alloy, iron, steel alloy, plastic, ...