行业周报：政策多角度推动供给新格局，建材反内卷进行时-20250810

Investment Rating - The investment rating for the building materials industry is "Positive" (maintained) [1] Core Views - The report highlights the ongoing transformation in the building materials industry driven by policies promoting a new supply structure and green innovation, particularly in the cement and glass sectors. The carbon trading market is expected to accelerate the exit of inefficient capacities, optimizing the supply landscape and sustaining investment interest in the sector [3][4][6] Market Performance - The building materials index increased by 1.19% in the week from August 4 to August 8, 2025, underperforming the CSI 300 index, which rose by 1.23%. Over the past three months, the CSI 300 index increased by 5.88%, while the building materials index rose by 11.41%, outperforming the CSI 300 by 5.53%. In the past year, the CSI 300 index increased by 23.21%, and the building materials index rose by 26.53%, outperforming the CSI 300 by 3.31% [4][13][14] Cement Sector - As of August 8, 2025, the average price of P.O42.5 bulk cement nationwide was 273.71 CNY/ton, a decrease of 0.42% from the previous period. The clinker inventory ratio was 67.48%, down by 2.15 percentage points [6][24][27] - The report indicates a regional price divergence in cement, with the Northeast region seeing a decrease of 0.34%, while the North China region remained stable [24][33] Glass Sector - The average spot price of float glass as of August 8, 2025, was 1259.34 CNY/ton, down by 3.19% from the previous period. The inventory of float glass increased by 25.34%, reaching 6490 million weight boxes [74][77] - The price of photovoltaic glass increased slightly, with an average price of 116.25 CNY/weight box, reflecting a 0.54% increase [83] Investment Recommendations - Recommended stocks in the consumption building materials sector include Sankeshu (for channel expansion), Dongfang Yuhong (waterproof leader), Weixing New Materials (high retail business proportion), and Jianlang Hardware. Beneficiary stocks include Beixin Building Materials (gypsum board leader) [3] - In the cement sector, recommended stocks include Conch Cement, Huaxin Cement, and Shangfeng Cement [3]