... Surface:mirror polish 4 use for yacht DIN Stainless Steel Tee, Equal Tee,Pipe Fittings 1.Material:stainless steel,carbon steel,alloy steel ... treatment : Mirror polish, electrolytic polishing, Dull polishing, Vibration grinding 5.Machine : CNC.6.Inspect : SST, 3D, Hardness tester 7.packing:bubble ... are acceptable. 11. Market: European, American, Austrlia DIN Stainless Steel Tee, Equal Tee,Pipe Fittings