China Panels And Furniture Finishing Application factory Overview Composite Roller mainly refers to the product that the outer layer of the roll body, the core and the roll neck are compositely cast with two or more materials. Our product can not only meet the rolling mill's requirements for roll body wear resistance and thermal fatigue resistance, but also ensure the strength and toughness of the core and roll neck. It is widely used in various rolling mills, such as finishing work rolls of hot-rolled strip mills, backup rolls of strip mills,