建材行业报告（2025.12.22-2025.12.26）：地产政策托底需求，关注反内卷落地情况

Industry Investment Rating - The investment rating for the construction materials industry is "Outperform the Market" and is maintained [1] Core Insights - The report emphasizes the potential for a dual recovery in both fundamentals and valuations for the construction materials sector in 2026, driven by supportive real estate policies and a gradual stabilization of the industry [4] - Key policies released in December 2025 aim to optimize real estate conditions, which are expected to bolster demand [4] - Major construction material companies have seen a lag in stock performance but are reducing their reliance on real estate, with prices for various materials beginning to recover [4] Summary by Sections Cement - December marks the onset of the off-peak season in northern regions, with national demand continuing to decline. The housing market remains weak, while infrastructure demand shows regional disparities driven by policy [5] - Cement production in November 2025 was 154 million tons, reflecting a year-on-year decline [9] Glass - The glass industry is experiencing a sustained decline in demand due to real estate impacts, with traditional peak season orders showing limited improvement [6] - Supply-side adjustments are expected as several production lines undergo maintenance, but overall supply-demand pressures remain, leading to anticipated price stability at low levels [14] Fiberglass - Demand in sectors like wind power and thermoplastics remains stable, while traditional demand has slowed. The industry is expected to see growth driven by AI-related demand, particularly in low dielectric products [6] Consumer Building Materials - The industry has reached a profitability bottom, with no further price declines expected. Recent anti-competition policies have led to strong price increase demands across various categories, indicating potential for profit recovery in leading companies [6] Market Performance - In the past week (December 22-26), the construction materials index rose by 4.56%, outperforming major indices such as the Shanghai Composite Index and the Shenzhen Component Index [7]