It is refined through processes such as wire drawing, cutting, and rounding. The appearance is bright and rust free, and the round bead shape (cut or round) is widely used for surface cleaning, deburring strengthening, and spray polishing of copper aluminum, zinc, stainless steel, and other workpieces. It has a matte effect on the processed workpieces, highlighting the natural color of the metal, and does not rust. It does not require acid cleaning and rust removal treatment, and its wear resistance is 3-5 times that of cast steel shot, which can reduce production costs. Currently, this series of products is widely used in the non-ferrous metal casting industry, automobiles, and other industries Strengthening process treatment in fields such as motorcycles, shipbuilding, aviation, steel plates, cylinders, steel structures, metallurgical machinery, etc.