Our company's 12.2-meter-diameter autogenous grinding machine was recognized as "the world's largest autogenous grinding machine with the largest barrel inner diameter" and was recognized as the most technologically innovative achievement in the heavy machinery world in 2023. It is reported that the scientific and technological innovation results of the large-scale, efficient and intelligent autogenous grinding machine with a diameter of 12.2 meters have pioneered a number of key technologies, which have improved the reliability of the large-scale autogenous grinding machine, extended its service life, built an online intelligent monitoring system with multiple information fusion, and developed Intelligent monitoring and control technology for the working status of large mills enables predictive maintenance of mills. This product is currently used in the production of the SINO iron ore project in Australia.