... reinforced concrete pipe, pipe interface is divided into level I, level I, for jack. 5-6 classes per person per ... doser(if necessary), concrete mixer, concrete feeder, pipe making machine, pipe moulds, eot crane,boiler system(if necessary), ... computer controlling desk,steel reinforcement cage(net) machine (manual and automatic welding machine),etc.pipe diameter------1000-3000mm;pipe length------- ...