建筑材料行业周报（25/12/15-25/12/21）：年末主题性交易升温，关注烟花+IPO相关机会-20251222

Investment Rating - The investment rating for the construction materials industry is "Positive" (maintained) [3] Core Viewpoints - The report highlights the upcoming opportunities related to the "fireworks" and "IPO" sectors as the Chinese New Year approaches, with recent policy changes allowing limited fireworks usage in certain regions, which may drive market interest [4] - The report emphasizes the potential of Shangfeng Cement, which is transitioning from financial investment to active participation in the semiconductor industry, having invested over 1.9 billion yuan in 28 quality projects across the semiconductor supply chain [4] - The report suggests that 2025 will be a turning point for listed companies, with 2026 expected to be an industry inflection point, indicating that the market is currently in a phase of adjustment [4] Section Summaries 1. Sector Tracking - The construction materials index rose by 0.6% while the overall market indices showed mixed results, with the Shanghai Composite Index unchanged and the Shenzhen Component Index down by 0.9% [8] - Notable stock performances included Lawson (+31.8%) and Zaiseng Technology (+23.3%), while Hainan Ruize (-15.5%) and Jingxue Energy (-15.0%) faced significant declines [8] 2. Data Tracking 2.1 Cement - The average price of 42.5 cement nationwide is 354.0 yuan/ton, down 0.8 yuan/ton month-on-month and down 66.5 yuan/ton year-on-year [14] - The cement inventory ratio is 62.3%, down 2.5 percentage points month-on-month and down 0.3 percentage points year-on-year [14] - The cement shipment rate is 42.7%, down 1.7 percentage points month-on-month and down 2.2 percentage points year-on-year [14] 2.2 Float Glass - The average price of 5mm float glass is 1206.1 yuan/ton, down 12.9 yuan/ton month-on-month and down 330.3 yuan/ton year-on-year [33] - The total inventory of key production enterprises in 13 provinces is 55.42 million heavy boxes, down 2.3% month-on-month and up 29.2% year-on-year [33] 2.3 Photovoltaic Glass - The average price for 2.0mm coated photovoltaic glass is 11.5 yuan/square meter, down 0.3 yuan/square meter month-on-month and year-on-year [38] - The total number of production lines for photovoltaic glass is 402, with a daily melting capacity of 87,940 tons, unchanged month-on-month and down 7.3% year-on-year [38] 2.4 Glass Fiber - The average price of alkali-free glass fiber yarn is 4565.0 yuan/ton, unchanged month-on-month and down 115.0 yuan/ton year-on-year [44] - The average price of electronic yarn is 9350.0 yuan/ton, unchanged month-on-month and up 350.0 yuan/ton year-on-year [44] 2.5 Carbon Fiber - The average price of large tow carbon fiber is 72.5 yuan/kg, unchanged month-on-month and year-on-year, while small tow carbon fiber is priced at 95.0 yuan/kg, also unchanged [48] - The average operating rate of carbon fiber enterprises is 79.47%, unchanged month-on-month and up 26.87 percentage points year-on-year [48]