After the shot peening of the steel surface, there will be many fine peaks and troughs, that is, the surface roughness. The coating goes deep into the bottom of the trough, and the crest of the wave is like a tooth, holding the coating tightly.

Using the kinetic energy of metal abrasive and water jet to cut granite and other stones, there is no chemical change in the cutting process. It has the advantages of no influence on the physical and chemical properties of cutting materials, no therm