The maintenance process of passenger cars, commercial vehicles (trucks/buses), trains, airplanes, etc. are all accompanied by the disassembly and maintenance of parts, so there must be cleaning of parts, because in many cases the cleaning results directly affect the quality of maintenance. For example, engine repair, gearbox repair, oil pump repair, motor repair, and hydraulic oil pump repair. In response to market demand, the company has developed a variety of models and specifications suitable for various scenarios.