Zinc shot abrasives (grinding media) are widely used in the strengthening and deburring of the surface of ferrous metal parts, the polishing of non-ferrous metal parts and the main surface finishing of parts, as well as metal die castings, precision castings, hardware tools, machinery manufacturing, auto parts, instruments and meters Surface treatments such as descaling, deburring, surface defect elimination, internal stress removal, etching, matting, leveling, strengthening, rust prevention before spraying, etc. in industries such as pumps and valves.