水泥供给有望快速出清，建材ETF（159745）涨超1%，近20日资金净流入近14亿元

Group 1 - The construction materials industry is currently significantly underweighted from an allocation perspective, with expectations of demand recovery driven by stabilization in the real estate sector [1] - The cement and glass sectors are currently at low valuation levels, indicating potential for investment opportunities [1] - The cement sector is expected to see a rapid supply clearance due to internal competition and dual carbon constraints, with actual clinker production capacity being reduced from 2.1 billion tons to 1.6 billion tons, leading to an increase in industry capacity utilization [1] Group 2 - The industry is actively implementing strict production regulations based on designed capacity, which is expected to enhance the industry's profit margins [1] - Despite ongoing supply-demand mismatches, higher capacity utilization is likely to facilitate off-peak production, resulting in a continuous improvement in net profit per ton for the industry [1] - The construction materials ETF (159745) tracks the building materials index (931009), which includes publicly listed companies in the cement, glass, and ceramics sectors, reflecting the overall performance of these companies [1]