... pipes and pipe fittings manufacture in China,we cansupply straight seam steel pipe,spiral steel pipe,seamless steel pipe,elbow, ... bend,end cap,flange,tee,reducer(concentric and eccentric) and high pressure pipe ... Tees, Concentric and Eccentric Reducers, Pipe Caps, Bends,butt weldingMaterialCarbon steel (seam & seamless) ASTM A234and A105 WPB ...