Investment Rating - The report rates the fiberglass industry as "Overweight" indicating a positive outlook for the sector [2][18]. Core Insights - The price of fiberglass fabric 7628 has increased significantly, with Linzhou Guangyuan and International Composites raising prices by 0.65 CNY/m and 0.55 CNY/m respectively, bringing the prices to 5.5 CNY/m and 5.2 CNY/m [4]. - The demand for integrated circuit boards in China has shown robust growth, with a record production of 48.1 billion units in December 2025, marking a historical high [4]. - Supply constraints are evident due to rising platinum and rhodium prices, which have increased the capital expenditure requirements for production, thereby slowing down capacity expansion [4]. - Major companies like China Jushi are expected to benefit from the price increases, with projected production capacities for 2026 being 1.1 billion meters for China Jushi, 600 million meters for China National Building Material, and others [4]. - Ibiden announced a capital expenditure of 500 billion JPY (approximately 3.2 billion USD) over three years to increase production capacity for IC substrates, which will positively impact the demand for Low CTE fabrics [4]. - The report suggests focusing on companies like China Jushi, International Composites, and China National Building Material due to their favorable positions in the market [4]. Summary by Sections Price Trends - The report highlights a continuous increase in prices for electronic yarn and fabric throughout 2026, indicating a strong market recovery [5]. Production Capacity - Domestic electronic yarn production capacity is entering a phase of declining growth, which may impact supply dynamics in the future [6]. Company Valuations - The report provides a valuation table for key companies in the construction materials sector, with China Jushi rated as "Buy" at a price of 21.76 CNY and a market cap of 87.11 billion CNY [13].

中国建材集团有限公司，成立于1981年，位于北京市，是一家以从事批发业为主的企业。企业注册资本 1713614.628692万人民币。通过天眼查大数据分析，中国建材集团有限公司共对外投资了20家企业，参 与招投标项目5000次，财产线索方面有商标信息236条，专利信息793条，此外企业还拥有行政许可5 个。 声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成个人投资建议。 国家知识产权局信息显示，中材科技风电叶片股份有限公司取得一项名为"风电叶片铺层过程缺陷检测 方法、装置、电子设备和介质"的专利，授权公告号CN117495796B，申请日期为2023年10月。 天眼查资料显示，中材科技风电叶片股份有限公司，成立于2007年，位于北京市，是一家以从事通用设 备制造业为主的企业。企业注册资本75419.3524万人民币。通过天眼查大数据分析，中材科技风电叶片 股份有限公司共对外投资了21家企业，参与招投标项目251次，专利信息483条，此外企业还拥有行政许 可10个。 来源：市场资讯 ...

Investment Rating - The report maintains a "Positive" investment rating for the building materials industry [10]. Core Viewpoints - The report emphasizes increasing allocations to high-quality leading companies in consumer building materials and anticipates price increases in electronic fabrics due to shortages [2][3]. - Consumer building materials are highlighted as a strong investment opportunity due to significant supply exits, with production levels for various materials projected to be at 97% for plastic pipes, 82% for gypsum boards, and 77% for cement in 2024 compared to their peak levels [3]. - The report identifies three main lines for 2026: the stock chain, the African chain, and the AI chain, suggesting a shift in demand dynamics and growth opportunities in these areas [7]. Summary by Sections Basic Situation - Cement shipments have seen a slight month-on-month increase, while glass inventory continues to decline [6]. - In late January, cement demand showed slight recovery due to warmer weather in southern regions, with a shipment rate of approximately 32% in key domestic areas, up by 3 percentage points [6][23]. Outlook for 2026 - The report suggests focusing on three main lines: stock chain, African chain, and AI chain. The stock chain is expected to see a qualitative change in demand, with home renovation demand projected to rise from 50% to nearly 70% by 2030 [7]. - The African chain highlights undervalued growth opportunities in the African market, with recommendations for leading companies such as Keda Manufacturing and Huaxin Cement [7]. - The AI chain focuses on the upgrade of special electronic fabrics, with significant opportunities for domestic replacements in low CTE and low-Dk products [7]. Electronic Fabrics - The report is optimistic about price increases in electronic fabrics due to dual demand dynamics, with AI electronic fabrics benefiting from high demand and ordinary electronic fabrics facing supply constraints [5]. - The shortage of weaving machines is expected to continue, leading to sustained price increases [5]. Cement and Glass Market - The report notes that the national average price of cement is 349.84 yuan per ton, with a month-on-month decrease of 2.74 yuan [24]. - The national average price of glass is reported at 63.11 yuan per weight box, with a slight month-on-month increase of 0.50 yuan [36].

Group 1 - Nittobo plans to launch next-generation T-type glass fiber cloth for AI chips by 2028, reducing the thermal expansion coefficient from 2.8 ppm to 2.0 ppm, a decrease of approximately 30% [1] - T-type glass fiber cloth is widely used in integrated circuit substrates and advanced packaging substrates, enhancing dimensional stability and supporting large-scale AI packaging [1] - Nittobo holds about 90% market share in the global T-type glass fiber cloth market and is currently evaluating and improving the new glass cloth based on copper-clad laminate samples [1] Group 2 - The demand for glass fiber cloth is driving price increases, with the price of 7628 electronic cloth rising from 4.15 yuan/meter at the end of September 2025 to 4.75 yuan/meter currently, with multiple price hikes occurring [2] - Upstream materials like electronic yarn are also expected to see price increases due to stable supply and structural adjustments, leading to a tight supply of traditional electronic yarn and strong support for high-end products [2] - Companies like International Composites and Honghe Technology are expected to report significant profit increases due to rising glass fiber product prices, with International Composites projecting a net profit of up to 350 million yuan in 2025 [2] Group 3 - AI servers require higher performance in signal transmission rates and data loss, driving the demand for low dielectric constant electronic cloth, which is a core material for high-frequency and high-speed copper-clad laminates [3] - The supply of low thermal expansion coefficient electronic cloth is expected to remain tight in 2026, with potential for further price increases [3] - The shortage of high-end electronic cloth is anticipated to accelerate the domestic substitution process in the industry, presenting a golden development period for domestic electronic cloth manufacturers [3]

Group 1 - Nittobo plans to launch a next-generation T-type glass fiber cloth for AI chips by 2028, reducing the thermal expansion coefficient from 2.8 ppm to 2.0 ppm, which is a 30% decrease [1] - T-type glass fiber cloth is widely used in integrated circuit substrates and advanced packaging substrates, enhancing dimensional stability and supporting large-scale AI packaging [1] - Nittobo holds approximately 90% market share in the global T-type glass fiber cloth market and is currently evaluating and improving the new glass cloth based on copper-clad laminate samples [1] Group 2 - The demand for glass fiber cloth is driving price increases, with the price of 7628 electronic cloth rising from 4.15 yuan/meter to 4.75 yuan/meter since September 2025 [2] - Upstream materials like electronic yarn are also expected to see price increases due to supply constraints and structural adjustments, supporting price growth [2] - Companies like International Composites and Honghe Technology are projected to see significant profit increases due to rising glass fiber product prices [2] Group 3 - AI servers require lower dielectric constants and loss factors, driving the upgrade of copper-clad laminates towards high-frequency and high-speed applications, leading to increased demand for low dielectric constant electronic cloth [3] - The supply of low thermal expansion coefficient electronic cloth is expected to remain tight in 2026, with potential for further price increases [3] - The shortage of high-end electronic cloth is anticipated to accelerate the domestic substitution process, presenting growth opportunities for local electronic cloth manufacturers [3]

Group 1 - The glass fiber stocks experienced a significant surge in the afternoon, with Shandong Glass Fiber hitting the daily limit up [1] - Honghe Technology saw an increase of 7%, reaching a new historical high [1] - Other companies such as China Jushi, International Composites, Changhai Co., and China National Building Material Technology also experienced gains [1]

证券之星消息，2月2日玻璃玻纤板块较上一交易日下跌4.24%，中材科技领跌。当日上证指数报收于 4015.75，下跌2.48%。深证成指报收于13824.35，下跌2.69%。玻璃玻纤板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 603601 | 再升科技 | 11.81 | 4.33% | 195.69万 | 23.36亿 | | 600586 | 金晶科技 | 5.82 | 2.28% | 77.10万 | 4.49 Z | | 601112 | C振石 | 21.53 | -0.69% | 50.40万 | 10.78亿 | | 002613 | 北玻股份 | 3.89 | -0.77% | 15.77万 | 6207.14万 | | 002201 | 九鼎新材 | 13.44 | -0.96% | 61.48万 | 8.42 Z | | 301526 | 国际复材 | 8.65 | -1.03% | 168.28万 | 14.81亿 | | 600876 | 凯盛 ...

2月2日，中材科技跌5.06%，截至发稿，报40.71元/股，成交11.34亿元，换手率1.62%，总市值683.16亿 元。 从基金十大重仓股角度 数据显示，贝莱德基金旗下1只基金重仓中材科技。贝莱德中证500指数增强A（025418）四季度持有股 数10.73万股，占基金净值比例为0.91%，位居第八大重仓股。根据测算，今日浮亏损失约23.28万元。 贝莱德中证500指数增强A（025418）成立日期2025年9月26日，最新规模2.68亿。今年以来收益 10.33%，同类排名1164/5579；成立以来收益11.65%。 资料显示，中材科技股份有限公司位于北京市海淀区东升科技园北街6号院7号楼12层，成立日期2001年 12月28日，上市日期2006年11月20日，公司主营业务涉及大力发展风电叶片、玻璃纤维及制品、锂电池 隔膜三大主导产业,同时从事高压复合气瓶、膜材料及其他复合材料制品的研发、制造及销售。主营业 务收入构成为：风电叶片39.01%，玻璃纤维及制品28.05%，锂电池隔膜6.96%，技术与装备6.44%，工 程复合材料5.99%，高压气瓶4.77%，先进复合材料4.12%，膜材料制品3.2 ...

Core Insights - The construction materials industry is currently at a low valuation level, with a focus on urban renewal and related opportunities. The allocation ratio for construction materials in Q4 2025 is 0.72%, an increase of 0.11 percentage points from Q3 2025, indicating significant potential for valuation recovery [6][15]. Group 1: Urban Renewal and Market Dynamics - The Ministry of Natural Resources and the Ministry of Housing and Urban-Rural Development issued a notice on January 20, 2026, to support urban renewal actions, providing specific operational guidelines for the "14th Five-Year Plan" urban renewal strategy. This includes a focus on "two renewals and two new projects," emphasizing the construction of underground pipelines and comprehensive utility tunnels [24]. - Companies involved in urban renewal and the renovation of old neighborhoods, such as Dongfang Yuhong, Keshun Co., Sankeshu, Weixing New Materials, and China Liansu, are recommended for attention [24]. Group 2: Construction Materials Sector Overview - The construction materials sector is experiencing a recovery in profitability, with expectations for continued improvement in 2026. The supply-side adjustments and structural changes in demand are expected to support this recovery [37]. - The cement market saw a 0.8% decrease in prices week-on-week, with the national average price at 345 RMB/ton as of January 30, 2026. The industry is currently at a historical low valuation, with companies like Huaxin Cement, Conch Cement, and Shafeng Cement recommended for investment [6][38]. Group 3: Key Company Developments - Keshun Co. established a semiconductor company to explore a second growth curve, focusing on integrated circuit chips and related technologies [20]. - Weixing New Materials plans to acquire an 88.26% stake in Beijing Songtiancheng Technology Co., enhancing its capabilities in municipal pipeline systems and expanding its market reach [23]. - Leading companies in the construction materials sector, such as Sankeshu and Huaxin Cement, are expected to report significant profit growth in 2025, driven by strong operational resilience and strategic adjustments [25][27].

Investment Rating - The report highlights a positive investment outlook for Keda Manufacturing and recommends Shengfeng Cement as a key stock for February [2][12]. Core Insights - Keda Manufacturing's acquisition of the remaining 51.55% stake in Tefu International is viewed positively, with projected revenues of 8.187 billion yuan and net profits of 1.474 billion yuan by 2025 [2]. - Shengfeng Cement is favored due to its resilient business model, low production costs, and significant investments in new economic projects exceeding 1.9 billion yuan [2]. - The report emphasizes the potential for price increases in traditional electronic fabrics and related materials, driven by AI demand and copper price fluctuations [3][15]. - The trend towards space photovoltaic energy is highlighted, with a focus on UTG and TCO glass as essential materials for future energy solutions [4][14]. Summary by Sections Weekly Discussion - Keda Manufacturing's stock resumption is positively received, and the acquisition strengthens its strategic partnerships [2]. - Shengfeng Cement is recommended for its stable core business and cash flow from new investments [2]. Market Performance - The construction materials index showed a mixed performance, with glass manufacturing and fiberglass sectors performing well, while cement manufacturing faced slight declines [19][21]. Price Changes in Construction Materials - National average cement price decreased to 345 yuan/ton, with a slight increase in sales rates [16]. - Float glass prices increased to 1,144.80 yuan/ton, reflecting a 0.53% rise, while inventory levels decreased slightly [16][39]. Important Changes - Several companies released performance forecasts, and Keda Manufacturing announced a capital increase plan for the acquisition of Tefu International [6].