Silicon nano coating is a high-performance coating material made using nanotechnology, with a variety of excellent properties. This coating has shown unique charm in many fields. For example, in the field of aerospace, silicon nano coating can effectively protect the surface of the aircraft from the high temperature and harsh environment generated during high-speed flight, extending the service life of the aircraft. At the same time, its excellent thermal insulation performance can also ensure the normal operation of the internal equipment of the aircraft, improving the overall safety and reliability.