Lengh:1000-5000mm Inner diameter:200-2000mm Joint:plain,socket,rabbet(male and female) 1,Our ... male and female ) To produce a (reinforced)concrete pipe making machine,you also need Automatic steel cage welding machine,Concrete feeder,Concrete mixer,Batching ... and Batching Plant4,Our projectIf you need our concrete pipe making machine,please tell me the following informations,thanks for your cooperation ...