GOLDEN SUN SECURITIES·2026-01-04 10:04Investment Rating - The report maintains a "Buy" rating for key stocks in the construction materials sector, including Yao Pi Glass, Yinlong Co., Puyang Huicheng, San Ke Shu, and Beixin Building Materials, while recommending "Hold" for Weixing New Materials [9]. Core Insights - The construction materials sector experienced a decline of 1.25% from December 29 to December 31, 2025, with cement down 1.54%, glass manufacturing down 3.53%, and fiberglass down 1.19% [12]. - The recent policy change regarding the personal sales tax on housing is expected to impact the market positively, with potential for further supportive measures [1]. - The cement industry is currently facing weak demand, with prices fluctuating around the breakeven point, and a focus on improving cash flow rather than just sales volume [2][17]. - The glass market is experiencing a supply-demand imbalance, but self-regulation in the photovoltaic glass sector may alleviate some pressure [3][7]. - Consumer building materials are benefiting from favorable second-hand housing transactions and consumption stimulus policies, with a long-term potential for market share growth [1][8]. Summary by Sections Cement Industry Tracking - As of December 31, 2025, the national cement price index was 352.65 CNY/ton, with a slight decrease of 0.06% from the previous week [17]. - The cement output for the week was 2.847 million tons, down 1.04% week-on-week, indicating a continued contraction in demand as temperatures drop and the Spring Festival approaches [2][17]. - The utilization rate of cement clinker production lines was 38.43%, showing a slight increase, while the cement inventory ratio decreased to 59.1% [17]. Glass Industry Tracking - The average price of float glass was 1121.29 CNY/ton as of December 31, 2025, reflecting a 1.65% decline from the previous week [3]. - Inventory levels for float glass increased year-on-year, indicating ongoing supply challenges despite some production line shutdowns [3][7]. Fiberglass Industry Tracking - The fiberglass market is currently stable, with no significant price changes reported, although demand remains weak [7]. - The electronic fiberglass segment continues to see strong demand for high-end products, while traditional fiberglass demand is expected to decline [7]. Consumer Building Materials - The consumer building materials sector is showing signs of weak recovery, with stable prices for key raw materials like asphalt and acrylic but fluctuations in aluminum and natural gas prices [8]. - The report highlights the potential for growth in companies like San Ke Shu and Beixin Building Materials due to favorable market conditions [1][8].