... 1.diameter range:S9-20 2.Reducer m FR-20-02 irregular shape (Hexagon,Square) metal straightening machineStraightening diameter rangeS9- ... , manufacturing, non-ferrous metals and ferrous metal tube, rod, row, and wire production line equipment manufacturers, the main products are ... continues to implement except the arbitration part. FR-20-02 irregular shape (Hexagon,Square) metal straightening machine