建筑材料行业报告（2026.03.23-2026.03.29）：油价上涨扰动盈利预期，期待内需政策发力

Industry Investment Rating - The investment rating for the construction materials industry is "Outperform the Market" and is maintained [1] Core Insights - The report highlights that the recent escalation of the US-Iran conflict has led to a significant increase in oil prices, which is expected to drive up the prices of consumer building materials such as waterproofing, pipes, and coatings. This price increase is anticipated to benefit leading companies in the market while putting pressure on smaller firms due to their lack of raw material inventory and delayed price adjustments [3] - The cement sector is currently in a recovery phase, but the volume of shipments is still lagging behind last year. The report notes that while funding for infrastructure projects is relatively secure, there remains pressure on housing demand. In the medium term, cement production capacity is expected to decline under policies limiting overproduction, which will enhance profit margins as capacity utilization improves [3][8] - The glass industry is experiencing a downward trend in demand influenced by the real estate sector. Although downstream processing plants are gradually recovering, their operating rates remain low. The report anticipates that prices will remain low and fluctuate in the short term due to ongoing supply-demand pressures [4][13] - The demand for fiberglass is expected to grow significantly, driven by the AI industry, with a notable increase in both volume and price for low-dielectric products. The report suggests a positive outlook for the fiberglass sector as it benefits from structural upgrades in product offerings [4] - The consumer building materials sector has reached a profitability bottom, with no further downward price pressure expected. The report indicates a strong demand for price increases among industry leaders, particularly in waterproofing, coatings, and gypsum board, which could lead to improved profitability in 2026 [4] Summary by Sections Cement - Cement is in a recovery phase, but shipment volumes are still below last year's levels. The report notes a 6.6% year-on-year decline in cement production in December 2025, with a total output of 144 million tons [8][16] Glass - The glass industry is facing continuous demand pressure, with a slight recovery in downstream processing demand. However, overall supply-demand pressures are expected to keep prices low in the short term [4][13] Fiberglass - The fiberglass sector is poised for explosive growth driven by AI-related demand, with expectations for a significant increase in both volume and price for upgraded products [4] Consumer Building Materials - The sector is experiencing a strong push for price increases, with expectations for improved profitability among leading companies in 2026 [4]