... 15,16,30m,design according to your demand cage welding machine is a special-purpose welder used to produce ... 15M (lengthened to 45M in special case)3. Number of longitudinal reinforcements: 6, 7, 10 or 7, 10, 12, ... 14, etc. (as users require)4. Diameter of longitudinal reinforcement: ø7.1, ø9.0, ø10.75. Diameter of ... : 86-13775230604 Round Automatic Steel Wire Cage Welding Machine For Concrete Pipe