季节性淡季需求走弱，新领域高景气持续

Group 1: Cement Industry - In August, the cement market remained in a seasonal downturn, with high temperatures and rainy weather affecting downstream construction, leading to weak demand and a decrease in operating load of cement mills [1][2] - The average price of cement in August was 271.67 yuan/ton, showing a month-on-month decline [1][2] - A seasonal demand recovery is expected from September to November, combined with the "anti-involution" trend accelerating industry capacity reduction, which may help ease supply-demand imbalances and support price increases [1][2] Group 2: Construction Materials - Retail sales of construction and decoration materials saw a slight decline, with a year-on-year growth of 2.2% from January to July 2025, while July's retail sales decreased by 0.5% year-on-year and 14.45% month-on-month [2] - The ongoing urban renewal initiatives are expected to boost demand for renovation and repair materials, such as pipes, waterproofing, and coatings [2] Group 3: Fiberglass - In August, the pricing of fiberglass roving from small and medium enterprises showed slight weakening, while demand for high-end electronic yarn products remained strong [3] - The supply of traditional electronic yarn products faced pressure, leading to a slight price reduction, but high-end products are expected to see price increases due to demand recovery [3] Group 4: Float Glass - The float glass market continued to experience weak demand, with prices returning to levels seen before previous increases by the end of August [3] - Despite the potential for slight price recovery due to seasonal demand, supply-side pressures remain, limiting significant price increases [3] Group 5: Investment Recommendations - Companies with strong brand advantages and product quality in the construction materials sector, such as Beixin Building Materials, Weixing New Materials, and Dongfang Yuhong, are expected to benefit from urban development focusing on quality improvement [4] - In the cement sector, regional leaders like Shangfeng Cement are recommended, with attention to Huaxin Cement and Conch Cement due to expected profit recovery [5] - For fiberglass, companies like China Jushi are recommended, with a focus on Zhongcai Technology for potential performance recovery [5] - In the glass sector, attention is drawn to Qibin Group as the industry supply-demand dynamics improve [5]