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