... :length:1000-5000mmInner diameter:200-3000mmJoint:plain,socket and babbet(male and female)Advantages:easy ... type concrete pipe making machine2,Mould:flat,socket,rabbetdiameter:200-2500mmLength:1000-5000mm3,Batching Hopper, ... length2, the pipe inner diameter3, the pipe joint, flat, socket or rabbet? 4,If your pipe need ... pipes?9, Any other requests? Socket joint reinforced concrete pipe making machine