... To produce a (reinforced)concrete pipe making machine,you also need Automatic steel cage welding machine,Concrete feeder,Concrete mixer,Batching hopper ... and Batching Plant4,Our projectIf you need our concrete pipe making machine,please tell me the following informations,thanks for your ... cooperation:...1,the pipe length2,the pipe inner diameter3,the pipe joint,flat,socket or rabbet?as ...