... m -5 m, inside diameter 300-2000mm of concrete and reinforced concrete pipeHanging roller cement pipe machine: It used the new ... 2 m -5 m, inside diameter 300-2000mm of concrete and reinforced concrete pipe, pipe interface is divided into level I, ... batching doser, belt conveyer, cement bank and doser(if necessary), concrete mixer, concrete feeder, pipe making machine, pipe moulds, eot crane,boiler ...