中材国际收盘下跌1.71%，滚动市盈率8.09倍，总市值243.40亿元

Group 1 - The core viewpoint of the articles highlights that China National Materials International Engineering Co., Ltd. (中材国际) is currently undervalued in the engineering construction industry, with a rolling PE ratio of 8.09, significantly lower than the industry average of 13.28 and median of 20.54 [1][2] - As of the first quarter of 2025, the company reported a revenue of 10.147 billion yuan, a year-on-year decrease of 1.37%, while net profit reached 663 million yuan, reflecting a year-on-year increase of 4.19% [1] - The company has a total market capitalization of 24.34 billion yuan and ranks 30th in the industry based on PE ratio [1][2] Group 2 - The company operates in various sectors including engineering technology services, high-end equipment manufacturing, and production operation services, with key products such as cement, mining engineering, and various specialized equipment [1] - As of the latest report, 20 institutions hold shares in the company, including 14 funds, with a total holding of 1.7216515 billion shares valued at 16.493 billion yuan [1] - The company has established five national-level "specialized and innovative" small giant enterprises and twelve provincial-level "specialized and innovative" enterprises [1]