建筑PMI小幅回暖，继续推荐结构景气的专业工程板块

Investment Rating - The report maintains an "Overweight" rating for the construction and decoration industry [1] Core Views - The construction PMI slightly rebounded to 49.3% in September, indicating a minor improvement in the industry's economic sentiment. The new orders index rose to 42.2%, and the business activity expectation index increased to 52.4%, reflecting an alleviation of pressure on new orders and a recovery in business expectations [2][11][16] - Despite ongoing pressure on revenue and profits in the construction sector, cash flow has improved. The report highlights that while infrastructure and real estate investments remain weak, there is potential for increased support from steady growth policies and major infrastructure projects [2][11] - The report recommends focusing on state-owned enterprises with strong fundamentals and low valuations, such as China Communications Construction Company, China Power Construction Company, and China Railway Group, as they are expected to see valuation recovery [2][11] Industry Dynamics - The report notes that in the first half of 2025, China's overseas contracting engineering business saw a year-on-year revenue growth of 9.3% and a new contract signing growth of 13.7%, with significant growth in contracts signed in Belt and Road Initiative countries [3][12] - The report emphasizes the potential for new investment opportunities in the semiconductor cleanroom sector, driven by increased capital expenditures from international semiconductor giants and cloud service providers [3][12] - The report also highlights the completion of 102 major transportation projects under the "14th Five-Year Plan," which is expected to release substantial physical workload and benefit related engineering and material demand [22] Weekly Market Review - The construction and decoration sector experienced a weekly increase of 2.84%, outperforming the Shanghai Composite Index and the Wind All A Index, which saw declines of -0.51% and -0.36%, respectively [26] - Notable gainers in the sector included Guanzhong Ecology, China Nuclear Engineering, and Xinjiang Communications Construction, while laggards included Hainan Development and Huaxi Nonferrous Metals [26][28]