A small CNC ultrasonic cleaning machine with a power of 300W utilizes the cleaning principle of cavitation effect of ultrasonic waves to remove dirt, dust, grease, carbon deposits and other outstanding functions. The cleaning machine has a long service life; The small ultrasonic cleaner is a single slot, all stainless steel stamping structure, acid and alkali resistant, beautiful and durable. It uses alkaline or weakly acidic water-based solvents as cleaning agents and is mainly suitable for cleaning electronic parts, bearing accessories, tools, jewelry, small precision hardware and mechanical parts, plastic ceramic parts, clock parts, glasses, jewelry, etc; The overall structure of the cleaning and control parts is adopted, making it easy to use.