... from 6,7,8,9,12,15,16,30m,design according to your demand cage welding machine ... Variable frequency control and high stability and reliability;6. Rational structure and easy and convenient operation and ... 45M in special case)3. Number of longitudinal reinforcements: 6, 7, 10 or 7, 10, 12, 14, ... : 86-519-89883760Mobile: 86-13775230604 Round Automatic Steel Wire Cage Welding Machine For Concrete Pipe