... :flat,socket,rabbetdiameter:200-2500mmLength:1000-5000mm3,Batching Hopper,we have PLD800/1200/1600/2400/3000/4000 etc 4,JS500 Concrete ... need to add the steel cage?5, Now, do you have others machines?6, Operating environment7, Discharge port8,Daily output of ... , Any other requests? Carbon steel concrete pipe making mold with CE certificate