Corrugated rollers series with high precision - The diameter of corrugated roller is Ф**0mm, Ф**0mm, Ф**0mm, Ф**0mm, Ф**0mm. It is made from alloy steel *8CRMo. - The roller with heat treatment is polished, plated with chrome, the hardness of its surface reaches above SH*5. - The surface of the corrugated roller can be coated with carbon tungsten, which makes the roller wear-resisting and highly effective, reduces the shrinkage ratio of corrugated paper, and ensures long service life.