... 300-3000mmLength:1000-5000mmWall thickness:5mmSealing:Socket>Rabbet>Flat Plain SocketRabbet(male and female ) To produce a (reinforced)concrete pipe making machine ... ,you also need Automatic steel cage welding machine,Concrete feeder,Concrete mixer ... Plant4,Our projectIf you need our concrete pipe making machine,please tell me the following informations,thanks ...