... :Carbon/Stainless/Alloy Steel Standard:ANSI,DIN,JIS Carbon Steel Weld Neck Flange ANSI DIN JIS Size: 1/2" ~ 64"(DN15 mm ~ 1600 ... Tees, Reudcing Tees, Concentric Reducers, Eccentric Reducers, Caps etc. to ANSI, ASTM,JIS, KS, DIN, BS & EN standards with material of ... . The factory was certified by Quality Management System of ISO9001:2000 in October, 2007, and certified by Korean Standard Association of ...