Benchtop silent ultrasonic cleaning equipment has been widely used in scientific research, petroleum, chemical, light industry, metallurgy, machinery, transportation, national defense and other industries. It is currently the most ideal high-efficiency and high-precision cleaning equipment for deep cleaning of instruments, meters, electronic devices, circuit boards, semiconductor silicon wafers, magnetic materials, electroplated parts, hardware parts, optical lenses and spare parts, audio heads, polyester filter cartridges, spinnerets, latex molds, medical equipment, glassware, jewelry, clock parts, precision hardware parts, bearings, oil nozzles, oil pumps and complex geometric components in mechanical manufacturing, especially for cleaning dirt on deep holes, blind holes, concave and convex surfaces