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CNC bending machine,4-roller plate bending machine with high quality and reasonable.
hydraulic 4-roller rolling machine
² Working principle: upper roller do vertical up-and-down movement along the central axis, two down roller keep rolling, whose motive power comes from reducer output.
² Need the help of other machine to do pre-bending.
Note: main difference from hydraulic 3-roller rolling machine is this kind no use of oil hydraulic.
Select Yeshun Machinery, Harvest Satisfaction.
4 roller rolling machine, 4 roller bending machine,hdraulic 4 roller bending machine