SAG20 Agricultural Satellite Land Leveling System is a high-precision navigation tool for agricultural machinery. It uses GPS and GLONASS signals to provide exact positioning and control for graders, enabling 24/7 operation over large areas (up to 30 km). Key features include multi-machine synchronization, automatic terrain recognition, real-time mapping, route planning, and cloud-based management. It works with various blades to deliver efficient and accurate leveling on complex land, making it ideal for precision farming and other sites like construction projects.