建筑材料：好房子需要好建材，反内卷政策有望继续发力

Investment Rating - The industry rating is "Outperform the Market" [7] Core Viewpoints - The report emphasizes that the construction materials sector is expected to benefit from supply-side reforms and a potential turning point in the production capacity cycle. The easing of interest rates is likely to restore home-buying willingness, while policies related to urban renewal and storage will enhance purchasing power, increasing the probability of stabilization in the real estate market [3][5] - The report highlights that the real estate market has entered a bottoming phase after three consecutive years of decline in sales area, with heightened sensitivity to policy easing. The continuous negative growth in PPI for 35 months has led to a focus on reversing this trend, which is expected to benefit the construction materials sector [3][5] Summary by Sections Investment Recommendations - The report suggests focusing on three main investment lines: 1. High-quality companies benefiting from stock renovation, such as Weixing New Materials, Beixin Building Materials, and Tubao [5] 2. Undervalued stocks with long-term alpha attributes, such as Sankeshu, Dongfang Yuhong, and Jianlang Hardware [5] 3. Leading cyclical construction material companies with bottoming fundamentals, including Huaxin Cement, Conch Cement, China Jushi, and Qibin Group [5] Recent High-Frequency Data - As of October 17, 2025, the national average price of bulk P.O 42.5 cement is 343.2 CNY/ton, down 1.1% week-on-week and down 14.1% year-on-year. The average price of glass (5.00mm) is 1231.4 CNY/ton, down 2.7% week-on-week but up 5.8% year-on-year [4][20] Market Review - The report notes that the Shanghai Composite Index fell by 1.47%, and the Shenzhen Composite Index dropped by 4.34%. The construction materials index decreased by 4.11%, with sub-sectors such as refractory materials and fiberglass manufacturing experiencing declines of 9.42% and 10.78%, respectively [4][49][53]