1 NC puncturing&cutting machine 2 pipe punching machine 3 tube punching machine EMM50C automatic punch machine1. EMM punching line can ... The diameter of the puncturing pipe: Round pipe Φ16-----Φ150Quartet tube: 20×20-------75×75Rectangular tubes 15 × 30 ------- 60 ... , punching equidistant,360 ° rotating punching.10. TFT human-machine interface, Taiwan Tada Units control system, touch-screen settings, ...