JZ40 STRAIGHTENING MACHINE This equipment is suitable for straightening on the T and H beam that have after welding. Because when welding the beam structure, then welding seam shrink then cause the flange distortion, thus need straightening on the flanges, therefore this equipment is the perfect flange straightening equipment of H beam. This equipment has the advantages of quick straightening speed, need small area, big straightening force, low consummation of energy, simple operation and reliable working. This equipment is very suitable for the manufacturer that produces T or H beam in lots quantity.