In the industry, tungsten carbide is an ideal coating material with both high temperature resistance and wear resistance, spraying wear-resistant protective coating on the device can greatly improve its performance and service life, using supersonic flame spraying method to spray tungsten carbide wear-resistant coating, its process is reliable, suitable for mass production. Undertake all kinds of thermal spraying processing, high coating bonding strength, superior compactness, and guarantee of high-quality spray coating. Processing of all kinds of rollers: cooling rollers, stretching rollers, preheating rollers, coating rollers, guide rollers and other carton mechanical accessories.