◆ After the material is corrected, it is smooth and smooth without indentation and does not damage the surface of the material.

◆ Imported electronic parts are used, with long life and few failures.

◆ The roller is made of hollow bearing steel material, after intermediate frequency treatment (surface hardness to 60°), it is hard chromed and then finely ground, with high hardness, excellent wear resistance and extremely long life.

◆ It is suitable for feeding and correcting various metal materials with good effect.