中天科技：已回购约1879万股，使用资金总额2.52亿元

Group 1 - The core point of the article is that Zhongtian Technology announced a share buyback plan, which is set to be implemented until August 31, 2025, through centralized bidding transactions [1] - As of the announcement date, the company has repurchased a total of 18.79 million shares, which represents 0.5506% of the total share capital [1] - The buyback price range is between 12.6 yuan per share and 14.8 yuan per share, with a total expenditure of 252 million yuan [1]