... can help you save 40% power 1,Suspension roller type concrete pipe making machine2,Mould:flat,socket,rabbetdiameter:200-2500mmLength ... informations, thanks for your cooperation.1, the pipe length2, the pipe inner diameter3, the pipe joint, flat, socket or rabbet? 4,If ... output of concrete pipes?9, Any other requests? the whole production line flat joint reinforced concrete pipe for drainage project