风电行业整体景气度高，高强高模量玻璃纱将成为重要发展方向。汽车 轻量化和无人物流飞行器是支撑玻璃线行业增量需求的重要领域。市场 对电子、风电、新能源汽车等新兴领域兴趣浓厚。 特种电子布跟踪系列：一线新反馈 20250824 摘要 中材科技 2025 年上半年业绩超预期，收入 133 亿元，同比增长 26.5%，归母净利润 10 亿元，同比增长 115%，主要得益于玻纤和叶 片业务的良好表现，以及特种电子布和电子纱业务的快速发展。 玻纤分会论坛聚焦玻纤行业出海及产业升级，特别关注风电纱和电子纱 领域。PCB 协会秘书长董总分享的信息显示电子纱领域有显著增量。 CTE 产品市场需求自二季度以来显著增加，但受供应链限制，供不应求。 预计四季度需求将翻倍，明年可能继续翻倍。中材科技已完成 2.8 毫米 规格 CTE 产品小样测试，有望实现国产替代。 中材科技在 CTE 领域是国内唯一一家能够批量交付的企业，QBU 已通 过头部客户认证并开始批量交货。公司积极进行产能扩张，预计年底织 布机数量将增至 400-500 台，明年上半年增至 800 台。 低介电电子纱（DJ）市场需求旺盛，价格持续上涨，尤其是一代布产品。 低 ...

证券研究报告 | 行业周报 gszqdatemark 2025 08 24 年 月 日 建筑材料 弱地产，期待更多政策托底 2025 年 8 月 18 日至 8 月 22 日建筑材料板块（SW）上涨 1.83%，其中 水泥（SW）上涨 0.48%，玻璃制造（SW）上涨 1.39%，玻纤制造（SW） 上涨 2.40%，装修建材（SW）上涨 2.95%，本周建材板块相对沪深 300 超额收益-1.44%。本期建筑材料板块（SW）资金净流入额为-6.16 亿元。 【周数据总结和观点】 根据 wind 统计，2025 年 7 月地方政府债总发行量 12134.93 亿元，发行 金额环比 2025 年 6 月增长 3.2%，同比 2024 年 7 月增长 70.7%。截至目 前，2025 年一般债发行规模 1.73 万亿元，同比+0.30 万亿元，专项债发 行规模 5.60 万亿元，同比+2.11 万亿元。化债政策加码下政府财政压力 有望减轻，企业资产负债表也存在修复的空间，市政工程类项目有望加快 推进，市政管网及减隔震实物工作量有望加快落地，关注龙泉股份、青龙 管业、中国联塑、震安科技。浮法玻璃供需仍有矛盾，光伏玻璃 ...

Investment Rating - The report maintains a "Recommendation" rating for the industry, indicating a positive outlook for investment opportunities [5]. Core Insights - The price increase of copper-clad laminates (CCL) is driven by rising raw material costs, particularly copper prices, which have increased over 10% since April 9, 2023 [1][2]. - The demand from PCB manufacturers, particularly driven by AI needs, is leading to significant capacity expansions, with over 30 billion RMB planned for expansion by leading PCB companies [2]. - The combination of rising raw material costs and strong demand from the PCB sector supports the price increase of copper-clad laminates, with expectations for further price hikes in the future [3]. Summary by Sections Upstream - The price of copper has risen from 71,694 RMB/ton to 79,060 RMB/ton, reflecting a significant increase in raw material costs that is pressuring CCL manufacturers to raise prices [1]. - Companies like China Jushi and Taishan Glass Fiber have also announced price increases for electronic yarn and cloth, contributing to the upward pressure on CCL prices [1]. Downstream - Major PCB manufacturers are expanding production capacity significantly, with companies like Shenghong Technology and Huadian Co. leading the charge, supported by a strong demand for AI-related products [2]. - The upcoming traditional peak season for consumer electronics and the resolution of tariff uncertainties are expected to further boost demand for non-AI PCBs, enhancing the overall industry outlook [2]. Investment Recommendations - The report suggests focusing on leading CCL manufacturers such as Shengyi Technology, Nanya New Materials, and Kingboard Laminates, which are expected to benefit directly from price increases and AI product demand [3]. - It also recommends attention to upstream suppliers with core technologies and customer resources, including Honghe Technology and Zhongcai Technology, as well as equipment manufacturers involved in domestic substitution [3].

Investment Rating - The report maintains an "Overweight" rating for the construction materials sector [4] Core Views - The construction materials sector is experiencing weak fundamentals, with expectations for more supportive real estate policies [1] - The sector saw a net capital outflow of 517 million yuan during the week, indicating a cautious market sentiment [1] - The report highlights the potential for recovery in municipal engineering projects due to improved government fiscal policies [2] Summary by Sections Cement Industry Tracking - As of August 15, 2025, the national cement price index is 335.75 yuan/ton, a slight decrease of 0.06% from the previous week [3] - The cement output was 2.608 million tons, down 1.27% week-on-week, with a clinker capacity utilization rate of 51.74%, down 13.01 percentage points [3][16] - The cement industry faces challenges including slowing infrastructure growth, increasing differentiation in housing construction, and intense competition in the civil market [16] Glass Industry Tracking - The average price of float glass is 1235.66 yuan/ton, reflecting a decline of 3.08% from the previous week [3] - Inventory levels for float glass have increased, indicating ongoing supply-demand imbalances [6] Fiberglass Industry Tracking - The price of non-alkali fiberglass remains stable, with slight fluctuations in demand due to seasonal factors [7] - The report notes a potential recovery in demand for wind power fiberglass as bidding volumes increase [2] Consumer Building Materials - Consumer building materials are benefiting from favorable second-hand housing transactions and consumption stimulus policies [2] - The report recommends stocks such as Beixin Building Materials and Weixing New Materials for their long-term market share growth potential [9] Carbon Fiber Market - The carbon fiber market is showing signs of slow recovery, with a production rate of 61.49% and an increase in inventory levels [8] - The report emphasizes the importance of monitoring price stabilization in the context of improving economic expectations [2]

Investment Rating - The report maintains an "Overweight" rating for the construction and building materials sectors [9] Core Insights - Investment in infrastructure, real estate, and manufacturing continues to slow down, with infrastructure investment growing by 3.2%, real estate declining by 12.0%, and manufacturing increasing by 6.2% year-on-year from January to July 2025 [12][14] - The report highlights a significant drop in new real estate construction area, down 19.4% year-on-year, although the rate of decline has been narrowing [12][17] - Recent demand-side policies are expected to accelerate implementation, potentially boosting construction material opportunities [12][14] - The cement and fiberglass sectors show a clear structural differentiation, with traditional yarn prices stabilizing after declines, while specialized electronic yarns and fabrics maintain a positive outlook [12][19] Summary by Sections Investment Trends - From January to July 2025, cumulative investment in infrastructure (excluding electricity, heat, water, and gas) increased by 3.2%, while real estate investment decreased by 12.0% [14] - The report notes that the decline in new real estate construction has been less severe compared to earlier months, indicating a potential recovery trend [12][17] Key Companies and Performance - Major companies such as Weixing New Materials reported a revenue of 2.078 billion yuan, down 11.33% year-on-year, while Sankeshu achieved a revenue of 5.816 billion yuan, up 0.97% year-on-year with a net profit increase of 107.53% [3] - The report recommends focusing on companies with significant year-on-year growth in their mid-year reports, particularly in the cement and fiberglass sectors [12][37] Market Dynamics - The national average price of cement increased by 0.2% week-on-week, with a shipment rate of 45.8% [2][28] - The average price of float glass decreased by 2.8% week-on-week, with a significant year-on-year decline of 16.2% [2][29] - The report emphasizes the importance of monitoring the demand recovery in the construction materials sector, particularly in waterproofing and other construction-related materials [12][17] Recommendations - The report recommends several companies for investment, including Yaxiang Integration, China Metallurgical Group, and Huaxin Cement, all of which are expected to perform well in the current market environment [9][37] - It suggests that companies with strong technological capabilities and high-end product structures are likely to benefit from ongoing market trends [12][24]

Market Performance - A-shares continue to surge, with the ChiNext Index rising 8.58%, marking the largest weekly gain of the year; the Shanghai Composite Index reaches a 3.5-year high, frequently testing the 3700-point mark [1] - Total market turnover exceeds 2 trillion yuan for three consecutive days, with weekly turnover surpassing 10 trillion yuan, the highest since November last year [1] Financing and Investment Trends - Margin traders significantly increased net purchases, with a net buy of 45.7 billion yuan, the largest weekly net buy of the year, pushing the margin balance above 2 trillion yuan, the highest in 10 years since June 2015 [1] - The electronics sector is the most favored by margin traders, receiving over 13.3 billion yuan in net purchases, followed by machinery equipment with over 4 billion yuan [1] Sector Performance - Major sectors such as electronics and computers saw over 60 billion yuan in net inflows, while power equipment and non-bank financials received over 30 billion yuan [1] - The glass fiber sector index surged 16.38%, marking the largest weekly gain of the year, driven by increased demand for electronic-grade glass fiber cloth due to the explosive growth of AI chips [2][3] Price Trends - The price of electronic-grade glass fiber cloth has been rising, with the average price of alkali-free glass fiber at 4373 yuan/ton, up 227 yuan/ton year-on-year, and electronic yarn at 9100 yuan/ton, up 757 yuan/ton year-on-year [3] Broker Performance - The brokerage sector has seen a continuous rise, with a cumulative increase of 7.78% over five days, marking the largest weekly gain of the year [3] - Notable stocks such as Changcheng Securities and Guosheng Financial have reached new highs, with Changcheng Securities hitting a 3.5-year high [3][4]

Investment Rating - The report assigns an "Overweight" rating to the construction materials industry [1]. Core Insights - The confidence in the commencement rhythm of key infrastructure projects in Xinjiang and Tibet continues to improve, while the marginal optimization of real estate policies in Beijing is noted. The consumption building materials sector has entered a phase of fundamental stabilization and recovery [2]. - The report highlights the expected recovery in revenue and profitability for the consumption building materials sector, driven by improved real estate policies and a reduction in price competition [6]. - The cement market is experiencing price stabilization, with regional variations in pricing adjustments due to demand fluctuations and operational strategies among companies [21][22]. - The glass and fiberglass sectors are witnessing a return to value, with strong demand for high-end products and a focus on new structural trends in demand [7]. Summary by Sections 1. Construction Materials Industry Investment Strategy - The report emphasizes the advantages of the cement industry in the western region, including strong infrastructure demand, reliable funding sources, and a concentrated market structure. The industry is expected to see improved profitability in 2025 [5]. - Key companies recommended include Conch Cement, Huaxin Cement, and Tianshan Cement, among others [5]. 2. Market Review - The construction materials sector saw a 1.19% increase from August 4 to August 8, 2025, with cement manufacturing up 2.20% and glass manufacturing down 0.62% [9]. - Individual stock performance showed significant fluctuations, with Tianshan Cement leading with a 10.90% weekly increase [14]. 3. Cement Industry - The national average price for high-standard cement was 339.7 CNY/ton, remaining stable week-on-week. The average price for clinker was 221 CNY/ton [25]. - The report notes that the average shipment rate for cement companies in key regions is around 44%, indicating ongoing demand challenges [21]. - Inventory levels are high, with a national cement inventory ratio of 67.38%, reflecting a slight increase [37]. 4. Glass Industry - The average price of float glass was 1274.90 CNY/ton, down 20.38 CNY/ton week-on-week, with market conditions remaining generally weak [42]. - The report indicates that the production capacity for float glass is stable, with 283 production lines and a daily melting capacity of 158,355 tons [42][59]. 5. Fiberglass Industry - The market for non-alkali fiberglass is stable, with prices for electronic yarns expected to remain steady due to strong demand for high-end products [63]. - The report highlights the need to reassess the fiberglass industry's profitability due to structural demand changes, recommending companies like China Jushi and China National Building Material [63].

Investment Rating - Industry Rating: Outperform the market (maintained rating) [4] Core Viewpoints - The cement and explosives sector is expected to benefit from key projects such as the New Tibet Railway, with a continuous positive outlook on the fundamentals of high-end electronic fabrics, which are seeing both volume and price increases [2][15] - Recent data shows that the sales area of commercial housing in 30 major cities was 1.2645 million square meters, down 13.04% year-on-year, indicating a decline in real estate demand [15] - The establishment of the New Tibet Railway Company with a registered capital of 95 billion yuan is anticipated to benefit local cement and explosives companies [15] - Current cement prices in many regions have reached or fallen below cost lines, and with rising coal prices, companies are facing increased profit pressures [2][18] - If industry self-discipline measures are effectively implemented, cement prices are expected to begin a recovery trend [2][18] Summary by Sections Market Review - During the week of August 4 to August 10, 2025, the Shanghai and Shenzhen 300 index rose by 1.2%, while the construction materials sector (CITIC) increased by 2.1%, with ceramics and cement sectors performing particularly well [12][18] - Notable stock performances included Zhenan Technology (+19.8%), ST Sansheng (+16.3%), and Tianshan Shares (+10.9%) [12] Key Sub-industry Tracking - Cement: The national cement market price remained stable, with slight adjustments in specific regions. The average shipment rate for major regions was around 44% [18] - Glass: The photovoltaic glass market showed slight price increases, with the main order prices for 2.0mm coated panels rising by 2.38% [18] - Fiberglass: The market for non-alkali yarns remained weak, with average prices declining by 2.06% compared to the previous week [19] Recommended Stocks - The report recommends focusing on companies such as Qingsong Jianhua, Gaozheng Minbao, Xibu Cement, Huaxin Cement, Honghe Technology, and Zhongcai Technology, indicating a favorable outlook for these stocks in the current market environment [20]

Investment Rating - The report recommends a "Buy" rating for companies such as Beixin Building Materials and China Jushi, while suggesting an "Overweight" rating for Weixing New Materials [9]. Core Views - The construction materials sector has shown a mixed performance, with cement prices stabilizing while glass and fiberglass sectors face challenges [2][3]. - The recent policy changes in Beijing regarding real estate are expected to influence demand dynamics across the sector [2]. - The report highlights the potential for recovery in the construction materials sector, particularly in municipal engineering projects due to increased government bond issuance [2]. Summary by Sections 1. Market Overview - From August 4 to August 8, 2025, the construction materials sector (SW) increased by 1.24%, with cement rising by 2.81% and glass manufacturing declining by 0.37% [12]. - The net capital inflow for the construction materials sector was -680 million yuan during this period [12]. 2. Cement Industry Tracking - As of August 8, 2025, the national cement price index was 335.96 yuan/ton, a decrease of 0.51% from the previous week [16]. - The national cement output was 2.6415 million tons, down 4.08% week-on-week, with infrastructure cement supply also declining [16]. - The report notes that while infrastructure remains a key demand driver, residential construction demand is weak, and recovery in civil demand is contingent on seasonal factors [16]. 3. Glass Industry Tracking - The average price of float glass was 1274.90 yuan/ton, reflecting a 1.57% decrease from the previous week [6]. - Inventory levels for glass have increased, indicating ongoing supply-demand imbalances [6]. 4. Fiberglass Industry Tracking - The report indicates that fiberglass prices have stabilized after a period of decline, with demand expected to improve due to growth in wind power installations [7]. - The market for electronic yarn remains stable, with high-end products experiencing strong demand [7]. 5. Consumer Building Materials - The consumer building materials sector is benefiting from improved second-hand housing transactions and consumption stimulus policies [2]. - The report continues to recommend companies like Beixin Building Materials and Weixing New Materials for their growth potential [9]. 6. Carbon Fiber Industry Tracking - The carbon fiber market is showing signs of stability, with production levels remaining consistent and demand expected to grow in various applications [8].

Core Views - The construction materials industry is expected to stabilize and recover due to loose macroeconomic policies, with significant attention on the supply side's proactive changes [4] - The cement industry is implementing self-discipline and peak production measures, accelerating supply reduction amid production restrictions and tightening carbon emission targets [4] - The glass fiber industry is experiencing sustained demand growth, with price increases of 10%-15% for thermoplastic/wind power glass fiber products and 15%-20% for other products, leading to improved performance [4] Cement Industry - Demand is expected to stabilize as housing market confidence strengthens, with signs of recovery in transaction prices and a narrowing decline in transaction volumes [4][19] - The cement and concrete sectors are supported by ongoing infrastructure demand and urban renewal, with industry profitability remaining robust [4][31] - The average coal price, which constitutes the largest portion of cement clinker costs, is predicted to remain low, further reducing costs and supporting profitability recovery in 2025 [4][35] Glass Fiber Industry - The glass fiber sector is seeing a structural improvement in demand, with applications expanding in wind energy, electronics, and thermosetting products [4][42] - The industry is characterized by a high concentration of production capacity, with the top three companies accounting for approximately 63% of domestic capacity [4][49] - Price trends are positive, with a recovery in profitability expected due to demand growth and proactive supply-side changes [4][51] Consumer Building Materials - The consumer building materials sector is benefiting from policies aimed at stabilizing the housing market, with ongoing demand for renovation and urban renewal projects [4][66] - The shift from B-end to C-end customers is creating opportunities for brands with strong channel capabilities, with companies like兔宝宝 (Rabbit Baby) and北新建材 (Beixin Building Materials) being highlighted for their competitive advantages [4][102] - The second renovation demand is anticipated to grow as the housing stock ages, with significant potential for market expansion in the coming years [4][69]