GOLDEN SUN SECURITIES·2025-06-22 14:13Investment Rating - The report maintains an "Overweight" rating for the construction materials sector [4] Core Viewpoints - The construction materials sector is experiencing a demand season that is not significantly weak, supported by delayed renovations in the second-hand housing market [2] - The glass market is facing a contradiction between supply and demand, with a continuous decline in demand expected post-2025, although there has been marginal improvement since March [2] - The cement industry is in a phase of seeking a bottom, with increased off-peak production efforts by companies, leading to fluctuating prices around unprofitable levels [2] - The fiberglass market has shown signs of bottoming out, with price wars ending and prices beginning to recover, particularly in the wind power sector [2] - Carbon fiber demand is slowly recovering, with growth expected in downstream sectors such as wind power and hydrogen bottles [2] Summary by Sections Cement Industry Tracking - As of June 20, 2025, the national cement price index is 362.67 yuan/ton, down 0.21% from the previous week, with a total cement output of 2.781 million tons, a decrease of 2.88% [3][16] - The cement market is currently in a phase of "weak reality" and "weak expectations," with potential for weak recovery by the end of Q3 if policies are strengthened or the rainy season ends [16] Glass Industry Tracking - The average price of float glass is 1209.75 yuan/ton, down 1.64% from the previous week, with inventory levels increasing [32] - The market is expected to experience short-term price fluctuations downward, with ongoing challenges in meeting demand during the seasonal downturn [32] Fiberglass Industry Tracking - The price of non-alkali roving has shown a stable decline, with demand for high-end products like wind power yarn performing relatively well [6] - The overall price of fiberglass is expected to maintain a weak and stable trend in the short term [6] Carbon Fiber Industry Tracking - The carbon fiber market price remains stable, with a weekly production of 1781 tons and an operating rate of 60.13% [7] - The industry continues to face losses, with a production cost of 106,500 yuan/ton and a negative gross margin [7] Key Stocks - Recommended stocks include Beixin Building Materials (Buy), Weixing New Materials (Overweight), and China Jushi (Buy) with respective EPS forecasts for 2024A to 2027E [8]