1.stainless steel socket banded. 2.Material:304,304L,316,316L. 3.CNC lathe process. 4.API&ISO certification. stainless steel socket banded.As the professional stainless steel pipe fittings manufacturer, we can produce Stainless steel valves, pipe fitting, quick coupling, sanitary union, machinery parts,90 degree elbow,45 degree elbow,street elbow, red elbow ,tee, red tee, hex nipple, hex bushing, ...