1) TUV certified & ISO 9001: 2000 & ABS 2) DIN, ANSI, JIS etc. 3) Flange (various materials) 4) Special design available MaterialF304, 304L, F316, F316L, F321, 316Ti, 317L, 347, F5, F9, F11, F22, LF2, A105, 1.4541, 1.4571, 1.4404, 1.4307 and P250GH.Sizefrom 1/2"-84"StandardANSI, DIN, JIS, BS, SH, BS4504, EN1092-1, BS3293 and other standards.typeWN,SO,BL,SW,LJ,TH,packingplywood case, pallet or ...