... 1,Suspension roller type concrete pipe making machine2,Mould:flat,socket,rabbetdiameter:200-2500mmLength:1000-5000mm3,Batching Hopper,we have ... Concrete mixer,we also produce JS750,JS1000,JS2000 etc5,Automatic welding machine6,Our concrete pipe making machine areas,welcome ... of concrete pipes?9, Any other requests? the whole production line flat joint reinforced concrete pipe for drainage project