... Pipe Elbows/45Degree, 90Degree, 180Degree Elbows Hebei Shengsenyuan Pipe Fittings Co.Ltd1.NAMEseamless carbon steel pipe fittings2.SIZE1/2"-48" DN15 ... the Pulp and Paper,Water Treament,Sewage Treament,Chemical,Biotech,Food,Mining,Architectural,Transportation7.QUALITYFirst Grade8.SURFACE TRATEMENTshot blasted,rust-proof ...