建筑建材双周报（2025年第8期）：建筑盈利承压，建材持续磨底但曙光初现

Investment Rating - The report maintains an "Outperform" rating for the construction materials sector, indicating expected performance above the market index by over 10% [5][84]. Core Views - The construction industry is facing profit pressure, while the building materials sector is expected to see a recovery in profitability. The first quarter of 2025 showed a decline in construction revenue by 3.8% year-on-year and a net profit drop of 14.1% [2][3]. - Cement prices have seen a slight recovery due to supply adjustments, while glass fiber has experienced significant profit recovery. However, the glass sector remains largely unprofitable, awaiting supply-demand adjustments [2][3]. Summary by Sections Cement - National cement prices fell by 0.8% week-on-week, with regional variations. Demand remains weak, and prices are expected to fluctuate weakly in the near future [2][23]. Glass - The float glass market is experiencing weak demand, with prices remaining stable but overall market activity subdued. The photovoltaic glass market is also under pressure, with prices declining by 3.51% for 2.0mm coated glass [2][34][44]. Glass Fiber - The price of non-alkali roving has decreased by 2.55% to an average of 3735 yuan/ton, while electronic yarn prices remain stable. Demand for high-end electronic yarn is strong, supporting production and sales [2][51]. Investment Recommendations - For building materials, the report suggests focusing on resilient consumer material leaders such as Sanke Tree and Beixin Building Materials, as well as cement and glass fiber companies like Conch Cement and China Jushi, which are expected to see profit recovery [3]. - In the construction sector, major state strategic projects are anticipated to boost demand, with recommendations for companies like China Railway Construction and China Communications Construction, which are involved in significant engineering projects [3].