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STT develops and manufactures miniature precision bearings for drones, medical devices and smart home systems.
STT makes miniature and micro bearings, including four-point contact, flexible and ceramic bearings, for high-speed precision applications. Its products are used in drones, medical devices and smart home systems, and it has partnerships with DJI, Dreame and Twotrees. Founded in 2012, the company is based in Suzhou, China. In June 2025, it raised a strategic round from CDH Investments and Oriza FoFs, and began trading on China's NEEQ in November 2025 under ticker 874812.
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