光华科技：部分董事和高管合计减持约476万股，减持计划实施完毕

Group 1 - The company Guanghua Technology announced a share reduction plan involving its chairman, financial director, and board secretary, who collectively reduced their holdings by approximately 4.76 million shares, accounting for 1.03% of the company's total shares [1] - The share reduction plan was completed within the specified timeframe, which was three months following the announcement made on September 6, 2025 [1] - As of the announcement date, the company's revenue composition for the first half of 2025 was entirely from the electronics industry, with a 100% share [1] Group 2 - The market capitalization of Guanghua Technology is reported to be 9.5 billion yuan [2] - A new type of chip has been developed in China that bypasses the limitations of lithography machines, supporting AI training and embodied intelligence, and can be mass-produced using mature processes of 28 nanometers and above [2]