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Domestic MEMS IMU Chips Break Monopoly, Powering L3 Autonomous Driving's Takeoff in China
10 Dec 2025 News
China's homegrown automotive-grade MEMS IMU chips break foreign monopoly; Daoyuan Technology leads with 59.75% market share, empowering L3 autonomy amid surging NOA system demand.
China's high-precision positioning track has witnessed a critical breakthrough in core components, as local firms have successfully developed homegrown automotive-grade MEMS IMU chips, ending the long-term monopoly of international giants. Data from High-Tech Intelligent Automotive Research Institute shows that from January to October 2025, the delivery volume of passenger vehicles equipped with high-precision positioning systems in China reached 4.22 million units, surging 181% year-on-year, with a penetration rate climbing to 22%. This boom is largely driven by the mainstream adoption of multi-source fusion positioning strategies integrating IMU, GNSS, and RTK in NOA (Navigate on Autopilot) systems.
For years, the automotive-grade IMU chip market was dominated by foreign players such as STMicroelectronics, Bosch, TDK, and Murata. However, Daoyuan Technology has changed the landscape with its self-developed 6-axis automotive-grade GST80 MEMS IMU inertial sensor chip. The chip has obtained an independent controllability evaluation report from the Fifth Electronics Research Institute of the Ministry of Industry and Information Technology (MIIT) and passed the AEC-Q100 reliability test, meeting international automotive standards for reliability, environmental adaptability, and service life. Currently, the GST80 has entered large-scale commercialization and is mass-installed in models of BYD, Li Auto, Zeekr, Leapmotor, and other domestic brands, while securing supply contracts with global automakers including Volkswagen, Toyota, and Volvo.
The market pattern presents a "one super, multiple strong" structure. From January to October 2025, Daoyuan Technology led the domestic automotive high-precision positioning market with a 59.75% share, followed by Huawei (14.51%) and Huace Navigation (8.01%). With China's recent issuance of the first access licenses for L3-level autonomous driving vehicles, Daoyuan Technology has become the first enterprise globally to empower L3 applications both domestically and internationally. Industry analysts note that the localization of IMU chips is crucial for supply chain security in autonomous driving, and as L3 penetration accelerates, the market size of high-precision positioning components is expected to exceed $12 billion by 2027.
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