The high-pressure spray cleaning machine is a core device for surface cleaning of industrial parts. It relies on a high-pressure water pump (typically 5–50 MPa) to generate a powerful water flow, which is shaped into a high-density spray jet through customized nozzles (such as fan, cone, or direct types) and combined with a conveyor belt to achieve automated, continuous cleaning of parts. It is specially designed to remove stubborn contaminants such as grease, wax, cutting fluid, and dust from industrial part surfaces, providing stable and efficient cleaning solutions for high-end manufacturing and logistics in automotive, electronics, turnover boxes, hardware processing, precision die-cast parts, and medical industries. With excellent system compatibility, it can seamlessly integrate with ultrasonic cleaners and industrial cleaning and drying lines, forming a fully integrated cleaning chain of “pre-spray descaling – ultrasonic precision cleaning – spray rinsing – drying,” or be independently deployed to flexibly adapt to different production and logistics scales.