... 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 ... 1000-5000mm.pipe joints------flat, rabbet,socket.Pipe making machine type: LJC vertical type, XG suspension roller type, ...