... introduction of our products: we produce and supply concrete pump parts(fitting to Schwing and PM , Sany, Zoomlion,CIFA,etc),which ... 150mm (R275,R225,R315,etc)degree:90, 60,45,30,15 3. concrete pump coupling/clampmaterial:Hi-Mn13,20#steel,etcsize ... cutting ring Fitting to schwing,PM,SANY,Zoomlion,etc8.Other parts to the pump truck We can also supply the s ...