Dayou is a provider of precise spatiotemporal data services and intelligent driving solutions with fully autonomous and controllable technologies. The company possesses core algorithms and technologies including PPPRTK, N-RTK, satellite-inertial fusion, BEV perception, fused positioning, automatic mapping and updating, and geographic information visualization. Built upon a foundation of high-precision satellite positioning service platform and map data updating platform, Dayou establishes an intelligent digital infrastructure. Centered around the closed loop of intelligent driving data, including mass production compliance, lightweight mapping, and data management platform, the company develops intelligent driving solutions. Dayou offers precise location information platform services, intelligent terminals, and a lightweight high-precision map toolchain