大族激光：11月28日召开董事会会议

Group 1 - The core point of the article is that Dazhong Laser announced a board meeting to discuss changes in accounting estimates and reported that its revenue for the first half of 2025 is entirely from the intelligent manufacturing equipment manufacturing sector [1] - Dazhong Laser's market capitalization is currently 38.2 billion yuan [2] Group 2 - The company held its eighth board meeting on November 28, 2025, via telecommunication [1] - The revenue composition for Dazhong Laser in the first half of 2025 is 100% from the intelligent manufacturing equipment manufacturing industry [1]