GOLDEN SUN SECURITIES·2025-09-07 14:13Investment Rating - The report maintains a rating of "Buy" for companies such as Beixin Building Materials and China Jushi, while recommending "Overweight" for Weixing New Materials [9]. Core Views - The construction materials sector experienced a decline of 3.04% from September 1 to September 5, 2025, with cement down 2.22% and fiberglass down 7.46%, while glass manufacturing saw a slight increase of 2.13 [12]. - Shenzhen's recent real estate policy adjustments are expected to stimulate demand, particularly in the consumer building materials segment, benefiting companies like Beixin Building Materials and Weixing New Materials [2][9]. - The report highlights a potential recovery in the fiberglass market, with prices stabilizing after a price war, and an increase in demand from the wind power sector [2][7]. Summary by Sections Cement Industry Tracking - As of September 5, 2025, the national cement price index was 336.2 RMB/ton, a decrease of 0.43% week-on-week, with cement output at 2.5775 million tons, up 0.68% [17]. - The cement market is in a weak recovery phase, with demand expected to remain limited due to funding and progress constraints in infrastructure projects [17]. Glass Industry Tracking - The average price of float glass was 1192.99 RMB/ton, with a slight increase of 0.28% week-on-week, while inventory levels rose by 500,000 boxes [6]. - Market sentiment remains cautious, with demand primarily driven by essential replenishment rather than speculative buying [6]. Fiberglass Industry Tracking - The price of non-alkali fiberglass remained stable, with some manufacturers planning price increases due to seasonal demand and cost pressures [7]. - The demand for electronic fiberglass is recovering slowly, while high-end products continue to see strong sales [7]. Consumer Building Materials Tracking - The consumer building materials segment is benefiting from improved second-hand housing transactions and consumption stimulus policies, with companies like Beixin Building Materials and Weixing New Materials recommended for investment [2][9]. - The report notes a weak recovery in demand for consumer building materials, with fluctuations in raw material prices impacting market sentiment [8]. Carbon Fiber Industry Tracking - The carbon fiber market remains stable, with production levels at 1854 tons and an operating rate of 61.59% [8]. - The industry continues to face challenges with profitability, as many companies are still operating at a loss [8].