证券研究报告 建筑材料 行业定期报告 hyzqdatemark 2026 年 03 月 02 日 戴铭余 SAC：S1350524060003 daimingyu@huayuanstock.com 王彬鹏 SAC：S1350524090001 wangbinpeng@huayuanstock.com 邓力 SAC：S1350525070006 dengli@jzsec.com 赵梦妮 SAC：S1350525050005 zhaomengni@huayuanstock.com 唐志玮 tangzhiwei@huayuanstock.com 板块表现： 继续重视电子布、地产链、地下管网 投资评级： 看好（维持） ——建筑材料行业周报（26/02/23-26/03/01） 投资要点： 请务必仔细阅读正文之后的评级说明和重要声明 证券分析师 电子布维持景气上行，Q 布短期或迎催化。1）当下传统电子布正在经 历的是此轮景气周期的拐点，之于科技而言或是"类存储时刻"，之 于周期而言则或是"类供给侧改革时刻"。上游织布机紧缺叠加下游 需求景气背景下，我们判断电子布价格有望新高，传统电子布、 Low-CTE、二代布均有看点 ...

Core Viewpoint - The stock of Xinxing Ductile Iron Pipes Co., Ltd. has shown a mixed performance with a year-to-date increase of 18.42% as of February 10, while facing a slight decline of 2.17% on that day [1]. Group 1: Stock Performance - As of February 10, the stock price was 4.95 CNY per share, with a trading volume of 52.81 million CNY and a turnover rate of 0.27%, resulting in a total market capitalization of 19.618 billion CNY [1]. - The stock has increased by 2.06% over the last five trading days, 16.75% over the last 20 days, and 14.32% over the last 60 days [1]. Group 2: Financial Performance - For the period from January to September 2025, the company achieved a revenue of 27.183 billion CNY, reflecting a year-on-year growth of 0.38%, while the net profit attributable to shareholders was 699 million CNY, marking a significant increase of 44.67% [2]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders was 120,200, a decrease of 1.85% from the previous period, with an average of 32,403 circulating shares per shareholder, which is an increase of 1.88% [2]. - The company has distributed a total of 8.672 billion CNY in dividends since its A-share listing, with 837 million CNY distributed over the last three years [3]. - The top ten circulating shareholders include Hong Kong Central Clearing Limited, which increased its holdings by 20.2547 million shares to 51.2662 million shares, while ICBC Innovation Power Stock reduced its holdings by 6.93 million shares to 28.26 million shares [3].

Core Viewpoint - The stock of Xinxing Ductile Iron Pipes Co., Ltd. has shown a significant increase in price and trading activity, indicating positive market sentiment and potential growth in the company's financial performance [1][2]. Group 1: Stock Performance - On February 6, Xinxing Ductile's stock price decreased by 2.12%, trading at 5.07 CNY per share with a total market capitalization of 20.093 billion CNY [1]. - Year-to-date, the stock has increased by 21.29%, with a 0.40% rise over the last five trading days, 19.29% over the last 20 days, and 17.36% over the last 60 days [1]. Group 2: Financial Performance - For the period from January to September 2025, Xinxing Ductile reported a revenue of 27.183 billion CNY, reflecting a year-on-year growth of 0.38% [2]. - The net profit attributable to shareholders for the same period was 699 million CNY, showing a significant increase of 44.67% compared to the previous year [2]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders for Xinxing Ductile was 120,200, a decrease of 1.85% from the previous period [2]. - The average number of tradable shares per shareholder increased by 1.88% to 32,403 shares [2]. - The company has distributed a total of 8.672 billion CNY in dividends since its A-share listing, with 837 million CNY distributed over the last three years [3].

Group 1: Strong Stocks - As of November 4, the Shanghai Composite Index fell by 0.41% to 3960.19 points, the Shenzhen Component Index decreased by 1.71% to 13175.22 points, and the ChiNext Index dropped by 1.96% to 3134.09 points [1] - A total of 67 stocks in the A-share market hit the daily limit up, with the top three strong stocks being Pingtan Development (000592), Haixia Innovation (300300), and Haima Automobile (000572) [1] - The detailed data for the top 10 strong stocks includes: - Pingtan Development: 13 days with 10 limit ups, turnover rate of 19.55% [1] - Haixia Innovation: 7 days with 4 limit ups, turnover rate of 44.42% [1] - Haima Automobile: 3 consecutive limit ups, turnover rate of 12.11% [1] Group 2: Strong Concept Sectors - The top three concept sectors based on A-share performance are: Cross-Strait Relations, Fujian Free Trade Zone, and Ice and Snow Industry [2] - The detailed performance of the top 10 concept sectors includes: - Cross-Strait Relations: increased by 2.09% [3] - Fujian Free Trade Zone: increased by 1.74% [3] - Ice and Snow Industry: increased by 1.35% [3]

Group 1 - The underground pipeline concept index rose by 0.54%, ranking 9th among concept sectors, with 47 stocks increasing in value [1][2] - Notable gainers included Zhaobiao Co., Ltd. with a 20% limit up, and other companies like XG Group, Hanjian Heshan, and Zhangzhou Development also hitting the limit up [1][2] - The top gainers in the sector were Guotong Co., Ltd., Kejingyuan, and Changbao Co., Ltd., which rose by 4.76%, 3.33%, and 3.19% respectively [1][2] Group 2 - The underground pipeline sector experienced a net outflow of 429 million yuan from main funds, with 30 stocks seeing net inflows [2][3] - Zhangzhou Development led the net inflow with 149 million yuan, followed by Zhaobiao Co., Ltd. and XG Group with 143 million yuan and 116 million yuan respectively [2][3] - The net inflow ratios for Hanjian Heshan, XG Group, and Zhangzhou Development were 59.72%, 56.45%, and 31.64% respectively [3] Group 3 - The top stocks in the underground pipeline concept based on net inflow included Zhangzhou Development, Zhaobiao Co., Ltd., and XG Group, with respective daily price increases of 10.05%, 20.03%, and 10.13% [3][4] - Other notable performers included Guotong Co., Ltd. with a 4.76% increase and Changbao Co., Ltd. with a 3.19% increase [4][5] - The overall trading activity in the sector showed significant turnover rates, with Zhaobiao Co., Ltd. at 17.57% and XG Group at 3.50% [4][5] Group 4 - The sector saw significant declines in stocks such as Hanwei Technology, which fell by 6.70%, and Yinlong Co., Ltd. with a drop of 6.46% [7][8] - Other notable decliners included Dongfang Yuhong, which decreased by 3.54%, reflecting a broader trend of volatility within the sector [7][8] - The overall market sentiment appears mixed, with some stocks experiencing substantial gains while others faced significant losses [7][8]

Core Viewpoint - The company, 德龙汇能, is focused on clean energy supply, particularly natural gas, and aims to contribute to carbon neutrality and the efficient use of green energy [2][7]. Company Overview - 德龙汇能集团股份有限公司 is primarily engaged in clean energy production and supply, with a focus on natural gas. The company is exploring hydrogen and photovoltaic energy as part of its new energy development direction [2][7]. - The company holds the exclusive operating rights for pipeline gas in the central urban area of 上饶市 [3]. - The main revenue sources include gas supply (94.70%), with minor contributions from other services [7]. Financial Performance - For the first half of 2025, the company achieved operating revenue of 890 million yuan, a year-on-year increase of 4.49%. However, the net profit attributable to shareholders decreased by 20.25% to 24.71 million yuan [8]. - The company has not distributed dividends in the past three years, with a total payout of 78.55 million yuan since its A-share listing [8]. Market Activity - On October 15, the stock price of 德龙汇能 increased by 0.14%, with a trading volume of 51.95 million yuan and a turnover rate of 2.07%. The total market capitalization is 2.514 billion yuan [1]. - The stock has shown no significant trend in major capital inflows, with a net outflow of 3.90 million yuan today [4][5]. Technical Analysis - The average trading cost of the stock is 6.70 yuan, with recent accumulation activity noted, although the strength of this accumulation is weak. The stock price is currently between resistance at 7.38 yuan and support at 6.59 yuan, indicating potential for range trading [6].

Core Viewpoint - The company, 德龙汇能, is focused on clean energy supply, particularly natural gas, and aims to contribute to carbon neutrality and the efficient use of green energy [2][7]. Company Overview - 德龙汇能集团股份有限公司 is primarily engaged in clean energy production and supply, with a focus on natural gas. The company is exploring new energy directions such as hydrogen and photovoltaic industries [2][7]. - The company holds the exclusive operating rights for pipeline gas in the central urban area of 上饶市 [3]. - The main revenue sources include gas supply (94.70%), with minor contributions from other services [7]. Financial Performance - For the first half of 2025, the company achieved a revenue of 890 million yuan, representing a year-on-year growth of 4.49%. However, the net profit attributable to shareholders decreased by 20.25% to 24.71 million yuan [8]. - The company has not distributed dividends in the past three years, with a total payout of 78.55 million yuan since its A-share listing [8]. Market Activity - On October 14, the stock price of 德龙汇能 remained unchanged at 0.00%, with a trading volume of 76.15 million yuan and a market capitalization of 2.51 billion yuan [1]. - The stock has seen a net inflow of 497,800 yuan from major investors today, with no significant trend in buying or selling observed [4][5]. Technical Analysis - The average trading cost of the stock is 6.69 yuan, with the current price fluctuating between a resistance level of 7.46 yuan and a support level of 6.80 yuan, indicating potential for range trading [6].

Core Viewpoint - The company, 德龙汇能, is focused on clean energy supply, particularly natural gas, and aims to contribute to carbon neutrality and efficient energy utilization [2][7]. Company Overview - 德龙汇能集团股份有限公司 is primarily engaged in clean energy production and supply, with a focus on natural gas and exploration of hydrogen and photovoltaic energy [2][7]. - The company operates in urban gas management, LNG production, and energy utilization projects, with its main revenue sources being gas supply (94.70%) and other services [7][8]. Financial Performance - For the first half of 2025, the company reported revenue of 890 million yuan, a year-on-year increase of 4.49%, while net profit attributable to shareholders decreased by 20.25% to 24.71 million yuan [8]. - The company has distributed a total of 78.55 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [8]. Market Activity - On October 13, the stock price of 德龙汇能 fell by 2.37%, with a trading volume of 91.01 million yuan and a market capitalization of 2.51 billion yuan [1]. - The stock has seen a net outflow of 5.67 million yuan from major investors today, indicating a trend of reduced holdings over the past three days [4][5]. Technical Analysis - The average trading cost of the stock is 6.68 yuan, with the current price fluctuating between resistance at 7.46 yuan and support at 6.80 yuan, suggesting potential for range trading [6].

Core Viewpoint - The company, Delong Huineng, is focused on clean energy supply, particularly natural gas, and aims to contribute to carbon neutrality and efficient energy utilization [2][7]. Company Overview - Delong Huineng Group Co., Ltd. is primarily engaged in clean energy production and supply, with a focus on natural gas. The company also explores hydrogen and photovoltaic energy development [2][7]. - The main business segments include urban gas operation and sales, gas pipeline construction and management, LNG production, CNG/LNG supply, and energy utilization project development [2][7]. - The company holds the exclusive operating rights for urban pipeline gas in the central urban area of Shangrao City [3]. Financial Performance - For the first half of 2025, Delong Huineng achieved operating revenue of 890 million yuan, a year-on-year increase of 4.49%. However, the net profit attributable to shareholders decreased by 20.25% to 24.71 million yuan [8]. - The company has cumulatively distributed 78.55 million yuan in dividends since its A-share listing, with no dividends distributed in the past three years [8]. Market Activity - On October 10, the stock price of Delong Huineng fell by 0.97%, with a trading volume of 80.37 million yuan and a turnover rate of 3.10%. The total market capitalization is 2.57 billion yuan [1]. - The main capital inflow for the day was negative at 8.66 million yuan, indicating a reduction in main capital positions over the past three days [4][5]. Technical Analysis - The average trading cost of the stock is 6.66 yuan, with the current price fluctuating between resistance at 7.46 yuan and support at 6.70 yuan, suggesting potential for range trading [6].

Core Viewpoint - The company, 德龙汇能, is focused on clean energy supply, particularly natural gas, and aims to contribute to carbon neutrality and the efficient use of green energy [2][7]. Company Overview - 德龙汇能集团股份有限公司 is primarily engaged in clean energy production and supply, with a focus on natural gas. The company is exploring new energy directions such as hydrogen and photovoltaic industries [2][7]. - The company holds the exclusive operating rights for pipeline gas in the central urban area of 上饶市 [3]. - The main revenue sources include gas supply (94.70%), with minor contributions from other services [7]. Financial Performance - For the first half of 2025, the company achieved a revenue of 890 million yuan, representing a year-on-year growth of 4.49%. However, the net profit attributable to shareholders decreased by 20.25% to 24.71 million yuan [8]. - The company has distributed a total of 78.55 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [8]. Market Activity - On September 26, the stock price of 德龙汇能 increased by 3.34%, with a trading volume of 198 million yuan and a turnover rate of 7.81%, bringing the total market capitalization to 2.553 billion yuan [1]. - The stock has seen a net inflow of 5.12 million yuan from major investors today, with a slight decrease in overall industry investment [4][5]. Technical Analysis - The average trading cost of the stock is 6.52 yuan, with the current price approaching a resistance level of 7.31 yuan. A breakthrough at this level could signal a potential upward trend [6].