... 2.Usd for concrete pumps 3.Agent:8 Countriey concrete pump spare parts This is the brief introduction of our products: ... we produce and supply concrete pump parts(fitting to Schwing ... R315,etc)degree:90, 60,45,30,153. concrete pump coupling/clampmaterial:Hi-Mn13,20#steel,etcsize:from ... Fitting to schwing,PM,SANY,Zoomlion,etc Concrete Pump S TUPE FOR S Valve