... 300-2000mm of concrete and reinforced concrete pipeHanging roller cement pipe machine: It used the new structure of two points ... doser, belt conveyer, cement bank and doser(if necessary), concrete mixer, concrete feeder, pipe making machine, pipe moulds, eot ... controlling desk,steel reinforcement cage(net) machine (manual and automatic welding machine),etc.pipe diameter------1000-3000mm;pipe length ...