正弦电气：实控人涂从欢、张晓光解除一致行动协议

Core Viewpoint - The announcement indicates a change in the actual control of the company, with the termination of the "Joint Action Agreement" and supplementary agreements between the actual controllers, Mr. Tu Conghuan and Mr. Zhang Xiaoguang, without any change in the number of shares held [1] Summary by Relevant Sections - Change in Control The actual control of the company has shifted solely to Mr. Tu Conghuan following the termination of the agreements, with Mr. Zhang Xiaoguang's shares no longer being combined in the control calculation [1] - Shareholding Structure Mr. Tu Conghuan directly holds 27.5513 million shares, and indirectly controls 1.705 million shares through Huai'an Lida, totaling 33.79% of the company's total share capital [1] Mr. Zhang Xiaoguang directly holds 16.7952 million shares, representing 19.39% of the total share capital [1]