China En545 ISO2531, En598 Di Pipe Fittings PVC Fittings 45 Degree 90 Degree Socket Bend for PVC Pipe, Find details about China Ductile Iron Pipe Fitting, Socket Bend from En545 ISO2531, En598 Di Pipe Fittings PVC Fittings 45 Degree 90 Degree Socket Bend for PVC Pipe