... Technical parameters:length:1000-5000mmInner diameter:200-3000mmJoint:plain,socket and babbet(male and female)Advantages:easy to install ... Suspension roller type concrete pipe making machine2,Mould:flat,socket,rabbetdiameter:200-2500mmLength:1000-5000mm3,Batching Hopper,we have ... produce JS750,JS1000,JS2000 etc5,Automatic welding machine6,Our concrete pipe making machine areas,welcome you to here~~~7, ...