Investment Rating - The investment rating for the construction materials industry is "Positive" (maintained) [4] Core Views - The "anti-involution" trend may drive the cement industry's supply and demand to bottom out earlier. The Central Financial Committee emphasized the need to regulate low-price competition and improve product quality, which may lead to a reduction in actual cement production capacity from over 2.1 billion tons in 2023 to 1.7 billion tons, potentially restoring capacity utilization rates to over 70% [5][18] - The demand for high-end electronic fabrics is underestimated due to the surge in computing power driven by AI. The need for advanced materials is increasing, with domestic companies achieving breakthroughs in Low-DK and Low-CTE electronic fabrics, indicating a significant growth opportunity in this sector [5] Summary by Sections 1. Sector Tracking - The construction materials index rose by 4.0%, outperforming the Shanghai Composite Index, which increased by 1.4% [9] - Key stocks with significant gains include Zaiseng Technology (+37.1%), Honghe Technology (+23.9%), and Zhongcai Technology (+20.7%) [9] 2. Data Tracking 2.1 Cement - The average price of 42.5 cement nationwide is 348.5 RMB/ton, down 4.5 RMB/ton month-on-month and down 40.8 RMB/ton year-on-year [18] - The cement inventory ratio is 65.7%, down 0.4 percentage points month-on-month and down 2.0 percentage points year-on-year [18] 2.2 Float Glass - The average price of 5mm float glass is 1274.3 RMB/ton, down 4.6 RMB/ton month-on-month and down 438.8 RMB/ton year-on-year [39] - The total inventory of key production enterprises in 13 provinces is 59 million heavy boxes, down 2.5% month-on-month and up 7.7% year-on-year [39] 2.3 Photovoltaic Glass - The average price of 2.0mm coated photovoltaic glass is 10.7 RMB/sqm, down 0.6 RMB/sqm month-on-month and down 4.6 RMB/sqm year-on-year [44] - The number of production lines for photovoltaic glass is 435, with a total daily melting capacity of 94,390 tons, down 4.0% month-on-month and down 17.0% year-on-year [44] 2.4 Glass Fiber - The average price of alkali-free glass fiber yarn is 4680.0 RMB/ton, unchanged month-on-month and up 15.0 RMB/ton year-on-year [52] - The average price of electronic yarn is 9100.0 RMB/ton, unchanged month-on-month and down 50.0 RMB/ton year-on-year [52] 2.5 Carbon Fiber - The average price of large tow carbon fiber is 72.5 RMB/kg, unchanged month-on-month and down 5.0 RMB/kg year-on-year [56] - The average operating rate of carbon fiber enterprises is 59.94%, down 0.19 percentage points month-on-month and up 13.54 percentage points year-on-year [56] 3. Investment Analysis - The investment strategy suggests that 2025 will be a turning point for listed companies, while 2026 will be a turning point for the industry. The report recommends focusing on companies in the high-growth sectors and those benefiting from the Belt and Road Initiative [5]