HYJ-20H steel flange correcting machine is specially designed for the correction of the steel flange. The main machine uses the 7.5KW electric motor and pin gear reductor drive characterized by high efficient and high speed. All the correcting rollers are made of high-quality alloy steel. Besides, the machine is put under advanced hot treatment to prevent crackles. All the parts are reinforced to stabilize the correction and realize the long service life.