On September 14, 2026, Wanjun Yao resigned as Chairman, Director, and CEO of Tungray Technologies Inc for personal reasons, with no disagreements cited regarding operations or policies. The Board appointed Liling Du as Interim Chief Executive Officer effective September 18, 2026. Ms. Du has served since June 2000 as Deputy General Manager of Finance & Administration for the company's Singapore subsidiaries and is Mr. Yao's spouse. This leadership transition represents a material change in executive management. Tungray Technologies Inc operates in the technology sector, providing AI-driven solutions for the real estate industry.