stainless steel ring machining 1.material:stainless steel 2.CNC machining 3.ISO9001 ... bag,Carton,PalletAvailable SurfaceBlack Oxide,Galvanized,hot dipped galvanized,etc.Main equipmentCNC lathe, automatic lathe, hand lathe grinder, thread rolling machine ... you can trust. Looking forward to your cooperataion stainless steel ring machining