... 4 use for yacht DIN Stainless Steel Tee, Equal Tee,Pipe Fittings 1.Material:stainless steel,carbon steel,alloy steel and heat ... treatment : Mirror polish, electrolytic polishing, Dull polishing, Vibration grinding 5.Machine : CNC.6.Inspect : SST, 3D, Hardness tester 7.packing:bubble ... . we have advanced technology , all of the products are made upon the ISO 9001 2008 strictly 10. small orders are ...