This machine is a kind of new-type cylinder inside wall air blast machine newly developed by technicians of our company according to customers' requirements, and it is also the most advanced cylinder inside wall automatic cleaning machine nowadays. It is used for special cleaning of inside cylinder. When 6 cylinders are fixed in spray gun chamber, the spray gun could go into their respective cylinder, rotate and move up and down in the cylinder; special-produced nozzles finish full-directional spraying and cleaning of the inside cylinder wall, thus this machine is the type selected by cylinder industry. The following benefits