... delivery pipe,elbow,coupling,fitting schwing,PM, 90 degree bendThis is the brief introduction of our products: we produce and supply concrete pump ... parts(fitting to Schwing and PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, ... elbow/bend and reducer elbowmaterial:Hi-Mn13,20#steel,st52,etcsize:DN 125mm or DN 150mm (R275,R225,R315,etc)degree:90 ...