... 9001.CCS ProductsFlange,Elbows, Tees, Concentric and Eccentric Reducers, Pipe Caps, Bends,butt weldingMaterialCarbon steel (seam & seamless) ASTM A234and A105 WPB ... XI'AN LINKUN MATERIALS (STEELL PIPE SUPPLIES )CO.,LTDBrand : L&K EQUAL AND REDUCING TEE: Carbon steel, stainless steel, alloy steelDN ...