城市更新行动意见发布，重视板块底部配置机会

Investment Rating - The industry rating is "Outperform the Market" [8] Core Viewpoints - The report highlights the importance of urban renewal actions initiated by the government, emphasizing the need for existing building renovations and infrastructure improvements, with significant progress expected by 2030 [3][13] - Short-term factors include the pressure for stable growth, the emphasis on stabilizing the real estate market, and the gradual alleviation of risks associated with major real estate companies, which is beneficial for the building materials sector [3][13] - Long-term perspectives suggest that the opening of the interest rate reduction channel in Europe and the U.S. will provide more room for monetary and fiscal policies in China, with expectations for policies to stabilize the real estate market and improve housing loan conditions [3][13] Summary by Sections Recent Developments - The report discusses various local government initiatives aimed at improving housing quality and supporting home purchases, including policies in Shenzhen, Nanjing, Wuhan, and other cities [3][13] - The report notes a 28.7% year-on-year increase in residential transactions in Shenzhen in April, indicating a potential recovery in the housing market [3][13] High-Frequency Data - As of May 16, 2025, the average price of bulk P.O 42.5 cement in China is 386.2 CNY/ton, showing a 0.8% decrease from the previous week but a 10.2% increase year-on-year [4][14] - The average price of glass (5.00mm) is 1260.0 CNY/ton, reflecting a 0.8% decrease from the previous week and a 25.6% decrease year-on-year [4][21] Sector Review - The report indicates that the Shanghai Composite Index rose by 0.76%, while the building materials sector index fell by 0.24% [5][53] - Among sub-sectors, fiberglass manufacturing saw a 3.07% increase, while cement manufacturing experienced a 1.21% decline [5][53] Investment Recommendations - The report suggests focusing on three main investment lines: high-quality companies benefiting from stock renovations, undervalued stocks with long-term potential, and leading cyclical building material companies showing signs of bottoming out [6][68]