工大科雅：累计回购约151万股

Group 1 - Company GDI Koya announced a share buyback of approximately 1.51 million shares, with a total transaction amount of about 28.97 million RMB, representing 1.25% of the company's total share capital [1] - The highest transaction price for the buyback was 20.2 RMB per share, while the lowest was 18.35 RMB per share, complying with the company's buyback plan and relevant regulations [1] - As of the report, the market capitalization of GDI Koya is 2.5 billion RMB [1] Group 2 - For the first half of 2025, GDI Koya's revenue composition is as follows: heating enterprises accounted for 53.64%, other clients 32.9%, construction engineering units 8.69%, government heating authorities 3.16%, and real estate developers 1.61% [1]