Liaocheng Yiheng Machinery Co.,Ltd mainly focus on concrete pumping field. our main products: 3inch 4inch 5inch 6inch concrete pump rubber hose, concrete pump delivery pipe,concrete pump elbow,bends, hopper elbow,reduction elbow,concrete pump clamp coupling with rubber gaskets,concrete pump pipe flange(weld on collar),concrete pump pipe cleaning ball,concrete pump reducer pipe ,the full set concrete pumping pipelines. and we also supply the concrete pump spare parts such as the concrete pump delivery cylinder,concrete pump wear plate ,cutting ring and rubber spring,concrete pump rubber piston,concrete pump s pipe, s pipe upper housing,outer housing set repair parts ,wear bush,sleeve,ball cup,swing lever,hydraulic cylinder,hydraulic pump gear motor,water pump,lubricant pump,filters,shut off valves...etc.for Putzmeister/schwing/x c mg/sany/zoomlion/cifa/kcp/ihi...concrete pumps.