经 2025 年 5 月 7 日公司 2024 年度股东大会审议通过，公司及子公司在保证正常经营及 资金安全的前提下使用不超过人民币 12 亿元的闲置自有资金开展投资理财业务，投资期限 自公司股东大会审议通过之日起 12 个月内。在上述额度内资金可以循环使用，并授权董事 长行使该项投资决策权及签署相关合同文件，具体内容详见 2025 年 4 月 16 日、5 月 8 日刊 载于《证券时报》《中国证券报》《上海证券报》《证券日报》和巨潮资讯网（www.cninfo.com.cn） 的相关公告。 近期，公司及子公司使用部分闲置自有资金购买了银行理财产品，现将有关情况公告如 下： 一、购买银行理财产品的具体情况 证券代码：002372 证券简称：伟星新材 公告编号：2026-004 浙江伟星新型建材股份有限公司 关于购买银行理财产品的进展公告 浙江伟星新型建材股份有限公司（以下简称"公司"）及董事会全体成员保证信息披露 的内容真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 （一）2026 年 1 月，公司使用自有资金 10,000 万元向上海浦东发展银行股份有限公司 （以下简称"浦发银行"）购买银行理财产品 ...

行 业 研 究 / 建 筑 材 料 / 证 券 研 究 报 告 建筑材料行业周报 原油涨价对建材成本影响几何 2026 年 03 月 23 日 【投资要点】 挖掘价值 投资成长 强于大市（维持） 东方财富证券研究所 证券分析师：王翩翩 证书编号：S1160524060001 证券分析师：郁晾 证书编号：S1160524100004 证券分析师：闫广 证书编号：S1160526010004 联系人：陈怡洁 相对指数表现 -10% 2% 14% 26% 38% 50% 2025/3 2025/9 2026/3 建筑材料 沪深300 相关研究 《出海系列：非洲水泥供需展望稳中向好， 中企有望大展宏图》 2026.03.17 《短期成本扰动增加，关注持续涨价传导 成本压力的板块》 2026.03.15 《玻纤粗/细纱+防水集中提价，聚焦高景 气板块》 2026.03.08 《节后复工数据农历同比改善，上海地产 政策放松助力地产链回暖》 2026.03.01 《关注节后下游复工节奏，期待小阳春》 2026.02.23 事件：近期受中东事件的影响，原油价格持续上涨，截止到 2026 年 3 月 19 日，布伦特原油现货价 ...

Investment Rating - The report rates the construction materials industry as "Overweight" [2] Core Insights - The consumer building materials sector is experiencing strong price increases, with significant price hikes announced by major companies in the waterproofing and coatings industries [4] - The core contradiction for the consumer building materials sector in 2026 will be price transmission and profit improvement, driven by rising international oil prices affecting raw material costs [4] - Demand recovery is supported by the traditional peak construction season and active second-hand housing market, which aids companies in passing on costs [4] - The report highlights three major changes in demand: increased importance of non-housing scenarios, a significant rise in second-hand home transactions, and the anticipated growth of stock renovations [4] - The report emphasizes the importance of industry structure and company willingness to raise prices, with a focus on the waterproofing sector [4] Summary by Sections Price Increases - In March, the consumer building materials sector saw strong price increases, with companies like Nippon Paint and Skshu Paint announcing price hikes of 3-10% and 5-15% respectively [4][5] - Major companies in the waterproofing sector, such as Oriental Yuhong and Keshun, have also announced price increases for various products [5] Demand and Supply Dynamics - The report notes that the demand for building materials is expected to rise due to the peak construction season and increased activity in the real estate market [4] - The report suggests that the supply side has been constrained due to capacity reductions in cement and glass, which may lead to further price increases [4] Investment Recommendations - The report recommends focusing on the waterproofing sector, specifically companies like Keshun and Oriental Yuhong, which have demonstrated strong growth potential [4] - Other recommended companies include Hanhigh Group, Sanke Tree, and Weixing New Materials, which have stable cash flows and performance [4][6]

Investment Rating - The report maintains a "Buy" rating for key stocks in the construction materials sector, including Yao Pi Glass, Yinlong Co., Puhua Co., San Ke Tree, and Bei Xin Building Materials [8]. Core Insights - The construction materials sector is currently experiencing a bottoming phase, with a recent decline of 1.50% in the sector index from March 9 to March 13, 2026. Cement prices have shown a slight increase, while glass and fiberglass manufacturing have seen declines [1][13]. - The report highlights the importance of government policies aimed at stabilizing the real estate market, which is expected to support demand for construction materials. Key measures include optimizing real estate policies and promoting the renovation of old housing [1]. - The cement industry is witnessing a recovery in demand due to seasonal factors and strong funding support for infrastructure projects. However, challenges remain in the housing construction market due to tight funding and tax reforms [19]. - The glass market is showing signs of slight price increases due to rising costs, although overall demand remains weak. The report emphasizes the need to monitor order volumes and production line changes in the coming weeks [33]. - Fiberglass demand is stable, with structural growth opportunities identified in wind energy and aerospace sectors. The report suggests that prices may stabilize or increase in the medium to long term [6][7]. Summary by Sections Cement Industry Tracking - As of March 13, 2026, the national cement price index is 331.4 CNY/ton, with a week-on-week increase of 0.31%. Cement output has surged by 91.99% to 760,300 tons, indicating a strong recovery [19]. - The capacity utilization rate for cement clinker production is 45.55%, up by 5.72 percentage points from the previous week, while the cement inventory ratio has increased to 56.25% [19]. - The report notes that the cement market is experiencing regional disparities, with some areas responding positively to price increases while others remain cautious due to weak demand [19]. Glass Industry Tracking - The average price of float glass as of March 12, 2026, is 1,177.42 CNY/ton, reflecting a week-on-week increase of 0.21%. Inventory levels have decreased by 209 million weight boxes compared to the previous week [33]. - The report indicates that while glass prices are experiencing slight increases, the overall demand remains limited, necessitating close monitoring of order volumes and production changes [33]. Fiberglass Industry Tracking - The market for fiberglass is showing a slight price increase, with demand remaining stable. The report highlights potential growth in high-end applications such as wind energy and aerospace [6][7]. - The average price for non-alkali fiberglass yarn is 3,716 CNY/ton, with a week-on-week increase of 2.24% [6]. Consumer Building Materials - The consumer building materials sector is benefiting from policies aimed at stimulating demand for renovations in second-hand and existing homes. The report continues to recommend stocks in this sector due to their long-term growth potential [1]. Carbon Fiber Industry Tracking - The carbon fiber market is experiencing a mild recovery in demand, with prices showing slight increases. The report emphasizes the need to monitor production costs and market dynamics closely [7].

证券研究报告 | 行业周报 gszqdatemark 2026 03 15 年 月 日 建筑材料 基本面仍在筑底 2026 年 3 月 9 日至 3 月 13 日建筑材料板块（SW）下跌 1.50%，其中水 泥（SW）上涨 0.96%，玻璃制造（SW）下跌 1.59%，玻纤制造（SW） 下跌 2.78%，装修建材（SW）下跌 2.50%，本期建材板块相对沪深 300 超额收益-1.37%。本期建筑材料板块（SW）资金净流入额为+1.55 亿元。 【周数据总结和观点】 本周《中中人民共和和国国共济和和会发展第十五个五个年划纲要》 展布， 地产方面表述包括"因城施策优化房地产政策，多管齐下稳定预期，充分 释放刚性和改善性住房需求潜力，支持老旧房屋适老化改造和智能化升 级。完善商品房开展、融资、销售等基础制度。推行房地产开展项目公司 制和融资主办银行制，支持满足房地产合理融资需求，有力有序推进现房 销售"，"合理安排房地产用地划模和布局，促进土地供应与存量住房、民 口变动等相协调"。根据 wind 统计，2026 年 2 月地方政府债总展行量 11582.29 亿元，展行金额环比 2026 年 1 月增长 34.2 ...

Investment Rating - The report maintains a positive outlook on the building materials sector, emphasizing the potential for growth in specific segments such as waterproof materials and fiberglass [2][6][18]. Core Insights - The overall view on building materials is that EPS is becoming less correlated with real estate, but valuations are benefiting from low expectations in the real estate sector, leading to a focus on stocks with solid fundamentals [2][6]. - The report highlights that the consumption building materials sector is expected to see price stabilization due to policy expectations and raw material cost adjustments, with specific recommendations for companies like Oriental Yuhong and China Liansu [3][14]. - The fiberglass segment is entering a price increase cycle, driven by rising costs and demand, with companies like China Jushi and Zhongcai Technology being highlighted for their potential profitability [4][5][15]. Summary by Sections Consumption Building Materials - Policy expectations are stable, and raw material prices are expected to bottom out, benefiting companies in the waterproof, plastic pipeline, and gypsum board sectors [3][14]. - Recommended stocks include Oriental Yuhong, China Liansu, and Weixing New Materials, which are positioned well for growth [3][14]. Fiberglass - The fiberglass market is experiencing upward price pressure, with small manufacturers leading price increases, and larger companies expected to follow [5][15]. - The report notes that if price increases are successfully implemented, profitability for leading companies could improve significantly [5][7]. Cement - The cement industry is entering a phase where price increases are anticipated, with companies like Conch Cement and Huaxin Cement being highlighted for their growth potential [18][46]. - The report emphasizes the importance of overseas expansion for cement companies, particularly in light of stable exchange rates and improving profitability from international operations [24][27]. Glass - Leading companies in the glass sector, such as Xinyi Glass, are showing better-than-expected profitability, driven by structural optimization and increased overseas sales [10][12]. - The report suggests that the glass industry is at a valuation low point, with significant upside potential as demand stabilizes [16][17]. Investment Recommendations - The report recommends a focus on companies with independent growth or valuation advantages, particularly in the waterproof materials sector and traditional fiberglass products [34][38]. - Specific stock picks include China Jushi, Jiantao Laminated Board, and Zhongcai Technology, which are expected to benefit from price increases and market demand [9][22][39].

Investment Rating - The report maintains a positive outlook on the building materials sector, emphasizing the potential for growth in specific segments such as waterproof materials and fiberglass [2][6][34]. Core Insights - The overall sentiment for the building materials industry is that earnings per share (EPS) are becoming less correlated with real estate, but valuations are benefiting from low expectations in the real estate sector. The focus is on buying stocks with solid fundamentals and the potential for macroeconomic improvements [2][6]. - The report highlights that the consumption building materials sector is expected to see price stabilization due to policy expectations and raw material cost adjustments, with specific recommendations for companies like Oriental Yuhong and China Liansu [3][6]. - The fiberglass segment is entering a price increase cycle, driven by rising costs and demand, with companies like China Jushi and International Composites being highlighted as key players [4][5][6]. Summary by Sections Consumption Building Materials - Policy expectations are stable, and raw material prices are expected to bottom out, providing opportunities for price increases in consumer building materials [3]. - Recommended stocks include Oriental Yuhong, China Liansu, and Weixing New Materials, which are positioned well for growth [3][34]. Fiberglass - The fiberglass market is experiencing upward price pressure, with small manufacturers leading price increases. The report notes that if price increases are successfully implemented, major companies could see improved profitability [5][7]. - Key recommendations include China Jushi and International Composites, which are expected to benefit from these trends [15][22]. Cement - The cement industry is at a potential turning point, with expectations for price increases as the market stabilizes. Companies like Conch Cement and Huaxin Cement are highlighted for their growth potential, especially in overseas markets [18][46]. - The report emphasizes the importance of policy execution and governance improvements in driving future growth opportunities [43][45]. Glass - The glass sector, particularly companies like Xinyi Glass, is showing stronger-than-expected profitability at the bottom of the market cycle, driven by structural optimization and increased overseas sales [10][12]. - Recommendations include Xinyi Glass and Qibin Group, which are expected to benefit from product upgrades and market recovery [17][16]. Overall Market Outlook - The report suggests that the building materials industry is entering a phase of clearer fundamentals, with potential for macroeconomic improvements to enhance stock performance. The focus is on companies with independent growth drivers and strong dividend yields [23][25][35].

Investment Rating - The report maintains a rating of "Buy" for several key stocks in the building materials sector, including Yao Pi Glass, Yinlong Co., Puyang Co., San Ke Tree, and Beixin Building Materials, while maintaining an "Overweight" rating for Weixing New Materials [8][12]. Core Insights - The building materials sector experienced a decline of 0.87% from March 2 to March 6, 2026, with cement prices increasing by 0.71% and glass manufacturing by 0.27%, while fiberglass and renovation materials saw declines of 1.79% and 1.69% respectively [1][12]. - The government work report emphasizes stabilizing the real estate market, encouraging policies to activate existing housing stock, and promoting high-quality development in real estate companies [1][2]. - The cement industry is currently in a recovery phase, with demand expected to improve as personnel return to work post-festival and as the peak production season approaches in mid-March [2][17]. - The glass market is facing high inventory levels, with the average price of float glass at 1174.93 yuan/ton, reflecting a slight increase of 0.89% [30][31]. - The fiberglass market shows structural opportunities, particularly in high-end demand driven by wind energy and aerospace sectors, despite a weak demand for raw fiberglass [6][30]. Summary by Sections Cement Industry Tracking - As of March 6, 2026, the national cement price index is 330.38 yuan/ton, down 1.21% week-on-week, with a significant increase in cement output and direct supply [2][17]. - The capacity utilization rate for cement clinker production is 39.83%, reflecting a week-on-week increase of 4.54 percentage points [2][17]. - The market is characterized by strong infrastructure demand, although the recovery in the housing sector remains sluggish due to financial pressures [17][27]. Glass Industry Tracking - The float glass market is experiencing high inventory levels, with a total of 6,972 million weight boxes in stock, an increase of 244 million from the previous week [30][31]. - The average production cost for float glass remains under pressure, with negative profit margins reported for both pipeline gas and coal [31][36]. - The production capacity for float glass is currently at 263 lines, with 207 in operation, indicating a slight increase in daily melting capacity [37][38]. Fiberglass Industry Tracking - The fiberglass market is seeing price adjustments due to rising costs, with recent increases in the prices of electronic yarns and fabrics [6][30]. - The industry is facing a slight recovery in production rates, but demand remains weak, leading to increased inventory levels [6][30]. Consumer Building Materials - The consumer building materials sector is experiencing a weak recovery, with rising prices for upstream raw materials such as natural gas and asphalt [7][30]. - The carbon fiber market is stable, with production costs under pressure due to geopolitical influences affecting raw material prices [7][30].

Investment Rating - The report maintains a "Buy" rating for Tunnel Shares and Weixing New Materials, indicating a positive outlook for these companies in the underground pipeline construction sector [4]. Core Insights - The underground pipeline construction industry is experiencing accelerated growth due to government policies and significant investment needs, with an expected construction and renovation of over 700,000 kilometers of underground pipelines during the "15th Five-Year Plan" period, requiring more than 5 trillion yuan in new investment [12][13]. - The industry is transitioning from a focus on "laying pipes" to "maintaining and smart management," emphasizing the need for modernization and upgrades of existing infrastructure [13][16]. - The investment opportunities are concentrated in three main segments: engineering, pipe materials, and operation and maintenance services, with specific companies recommended for investment in each segment [30][31][32]. Industry Situation - The total length of urban pipelines in China is projected to reach 3.78 million kilometers by the end of 2024, with significant increases in investment and construction during the "13th Five-Year Plan" and "14th Five-Year Plan" periods [12][14]. - The report highlights a 78.2% increase in new urban pipelines during the "13th Five-Year Plan" compared to the "12th Five-Year Plan," with a 52.3% increase in related fixed asset investments [12][14]. Market Review - The report identifies six major market trends in the underground pipeline sector from 2015 to the present, driven by policy changes and significant infrastructure projects, including the establishment of the Xiong'an New Area and the recent issuance of 1 trillion yuan in special bonds for urban drainage and flood control [22][23][27]. - The performance of pipe material companies has shown strong correlation with these policy events, with notable stock price increases during key periods of policy announcements [22][27]. Investment Recommendations - In the engineering segment, Tunnel Shares is recommended for its strong cash flow and involvement in large-scale urban renewal projects [30]. - In the pipe materials segment, companies such as China Liansu, Weixing New Materials, and Qinglong Pipe Industry are highlighted for their market leadership and growth potential in municipal projects [31][32][33]. - The report also emphasizes the importance of digitalization and smart operation in the maintenance segment, with companies like Zhengyuan Geospatial and Chen'an Technology being noted for their innovative solutions [30][32].

Group 1: Market Conditions - The plastic pipe industry is experiencing weak market demand, leading to intensified competition and difficulties for small and medium-sized enterprises, resulting in accelerated elimination and increased industry concentration [2] - The current market demand remains relatively weak [3] Group 2: Business Strategy - The company aims to strengthen its retail business by increasing market share and average revenue per customer, while emphasizing risk control and quality improvement in its engineering business for high-quality development [2] - The company is actively enhancing channel construction across various regions, focusing on deepening penetration in mature areas and developing more distributors in weaker or blank areas [2] Group 3: Sales Channels - The main sales channels for the company's retail business include home decoration companies, project managers, plumbers, and direct purchases by homeowners, with varying sales proportions across different regions [2] Group 4: Raw Material Prices - The prices of key raw materials, particularly copper, have seen significant increases, while polyethylene, polypropylene, and polyvinyl chloride prices are generally in a "low fluctuation" state [3] Group 5: Future Plans - The company's operational planning and targets for 2026 are still under discussion, with relevant indicators to be disclosed in the 2025 annual report [3] - The company plans to continue implementing stock incentive plans to motivate key employees and promote win-win development [3] Group 6: Acquisition Strategy - The acquisition of Beijing Songtian Cheng Technology Co., Ltd. aims to leverage its advanced R&D technology and production capabilities in the gas and heating municipal pipeline sector, enhancing the company's core competitiveness in municipal engineering [3]