functions:expand copper tubes, flare&fold old tube at one time. expanding machinery tube expanding machine vertical machin Vertical Expanding MachineMajor functions of the machine: It is to expand copper tubes, flare and fold tube at one time. Main Technical Parameter 1 Expand Length:300mm,1600mm,2000mm,2500mm2 Expanding capacity:1 row 4 row deep ,30 holes to 60 holes per now3 Working speed: ...