Dear Purchasing Manager, Are u looking for a better supplier of pipe fittings? Advantage Products : Butt welding Elbow, Tee, Reducer, Cap, Bend { carbon steel , alloy steel } Other Products : Flange, Expansion joint, Pipe Advantage Material ：A106，A234 WPB WPC API5L GR.B X42 X52 X60 X65 A860 WPHY42 WPHY52 {carbon steel } A234 WP5 WP9 WP11 WP12 WP22 WP91 {alloy steel } 304 304L 316 316L {stainless steel } Main Standard ： ASTM ASME ANSI DIN JIS EN MSS Certificate : API CE ISO BV Best Regards, Fiona Hu