重要内容提示： 证券代码：600629 证券简称：华建集团 编号：临2025-050 华东建筑集团股份有限公司 股票交易风险提示公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 1 二级市场交易风险：华东建筑集团股份有限公司（以下简称"公 司"）自 2025 年 9 月 11 日至 2025 年 9 月 29 日，公司股票连续十 三个交易日收盘价格累计涨幅 102.01%，涨幅显著高于同行业上市 公司，但公司基本面未发生重大变化，存在市场情绪过热及非理性 炒作的情形，交易风险大幅提升，存在短期大幅下跌的风险。公司 特别提醒投资者注意二级市场交易风险，理性决策，审慎投资。 估值过高风险：根据中证指数有限公司发布的滚动市盈率（中证 行业分类），公司最新滚动市盈率为 67.42，公司所处行业建筑设 计及服务最新滚动市盈率为 30.17，公司最新滚动市盈率显著高于 所处行业平均水平，敬请广大投资者理性决策，注意投资风险。 业绩下降风险：公司于 2025 年 8 月 30 日披露了《2025 年半年度 报告》，公司 2025 ...

Market Performance - The engineering consulting services sector increased by 1.01% on September 29, with Huajian Group leading the gains [1] - The Shanghai Composite Index closed at 3862.53, up 0.9%, while the Shenzhen Component Index closed at 13479.43, up 2.05% [1] Individual Stock Performance - Huajian Group (600629) saw a closing price of 26.08, with a rise of 10.00% and a trading volume of 302,600 shares, amounting to a transaction value of 778 million [1] - Other notable performers included Hualan Group (301027) with a 4.81% increase, closing at 17.20, and Zhongshe Consulting (833873) with a 3.64% increase, closing at 7.69 [1] Capital Flow Analysis - The engineering consulting services sector experienced a net inflow of 24.76 million in main funds, while retail investors contributed a net inflow of 38.59 million [2] - Notably, Huajian Group had a main fund net inflow of 65.44 million, despite a net outflow of 31.52 million from retail investors [2]

Core Viewpoint - Huajian Group's stock has experienced a significant surge, achieving three consecutive daily limit-ups, with a total increase of 33.13% during this period [2] Performance Summary - As of 9:38 AM, the stock price reached 26.08 yuan, with a turnover rate of 3.01% and a trading volume of 28.68 million shares, amounting to a transaction value of 737 million yuan [2] - The stock's limit-up order amount was 137 million yuan, and the latest total market capitalization of A-shares reached 25.306 billion yuan, with a circulating market capitalization of 24.857 billion yuan [2] Trading Data - The stock was listed on the Dragon and Tiger list due to a cumulative deviation of 20% in its price over three consecutive trading days [2] - The net buying from the Shanghai Stock Connect reached 47.0605 million yuan, while the total net selling from brokerage seats amounted to 2.9381 million yuan [2] Recent Trading Performance - The stock's daily performance over the past week shows notable fluctuations, with the following key data: - September 26: +10.02% increase, 4.23% turnover rate, net inflow of 85.2434 million yuan - September 25: +10.01% increase, 5.15% turnover rate, net inflow of 88.0954 million yuan - September 24: -0.05% change, 5.47% turnover rate, net inflow of 3.9735 million yuan - September 23: +2.14% increase, 7.57% turnover rate, net inflow of 35.1937 million yuan - September 22: -0.31% change, 6.73% turnover rate, net outflow of 49.9889 million yuan - September 19: +7.00% increase, 10.01% turnover rate, net inflow of 102.4918 million yuan - September 18: -1.10% change, 9.20% turnover rate, net outflow of 32.3904 million yuan - September 17: -3.76% change, 14.51% turnover rate, net outflow of 150.76 million yuan - September 16: +10.01% increase, 8.28% turnover rate, net inflow of 2.1768 million yuan - September 15: +9.99% increase, 6.61% turnover rate, net outflow of 32.7232 million yuan [2]

实现归属于上市公司股东的净利润 1.37 亿元，同比下降 26.84%； 实现归属于上市公司股东的扣除非经常性损益的净利润 0.83 亿 元，同比下降 54.60%。 证券代码：600629 证券简称：华建集团 编号：临2025-049 华东建筑集团股份有限公司 股票交易异常波动公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 重要内容提示： 1 华东建筑集团股份有限公司（以下简称"公司"）股票于 2025 年 9 月 24 日、9 月 25 日、9 月 26 日连续三个交易日内收盘价格涨幅 偏离值累计超过 20%，属于《上海证券交易所交易规则》规定的股 票交易异常波动情形。 根据中证指数有限公司发布的滚动市盈率（中证行业分类），公司 最新滚动市盈率为 61.28，公司所处行业建筑设计及服务最新滚动 市盈率为 29.88，公司最新滚动市盈率显著高于所处行业平均水 平，敬请广大投资者理性决策，注意投资风险。 经公司自查并书面询证控股股东上海国有资本投资有限公司（下称 "上海国投公司"），截至本公告披露日，公司及上海国投 ...

Core Viewpoint - The stock of Huadong Construction Group Co., Ltd. experienced a significant price fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days from September 24 to September 26, 2025, indicating abnormal trading activity [1] Summary by Relevant Categories Company Information - The company conducted a self-examination and confirmed, through written inquiries to its controlling shareholder, Shanghai State-owned Capital Investment Co., Ltd., that there are no undisclosed significant information related to the company as of the date of this announcement [1] - There are no major events involving the company, such as significant asset restructuring, share issuance, acquisitions, debt restructuring, business restructuring, asset divestiture, asset injection, share buybacks, equity incentives, bankruptcy reorganization, major business cooperation, or introduction of strategic investors [1]

Market Overview - On September 26, the engineering consulting services sector rose by 0.78% compared to the previous trading day, with Huajian Group leading the gains [1] - The Shanghai Composite Index closed at 3828.11, down 0.65%, while the Shenzhen Component Index closed at 13209.0, down 1.76% [1] Individual Stock Performance - Huajian Group (600629) closed at 23.71, up 10.02% with a trading volume of 403,600 shares and a transaction value of 9.46 billion [1] - Suzhou Planning (301505) closed at 24.50, up 4.21% with a trading volume of 103,300 shares [1] - Hopu Co., Ltd. (301024) closed at 41.80, up 2.18% with a trading volume of 15,200 shares and a transaction value of 63.44 million [1] - Other notable performers include Zhongda An (300635) up 1.70%, Shanghai Jianke (603153) up 1.58%, and Jianke Institute (300675) up 1.58% [1] Fund Flow Analysis - The engineering consulting services sector saw a net inflow of 123 million from institutional investors, while retail investors experienced a net outflow of 55.62 million [2] - Major stocks with significant net inflows include Huajian Group with 76.63 million and Deep City Transportation with 37.44 million [3] - Conversely, retail investors showed notable outflows in stocks like Huajian Group and Suzhou Planning, indicating a shift in investor sentiment [3]

Group 1 - A total of 47 stocks reached the daily limit up today, with 9 stocks achieving consecutive limit ups [1] - 23 stocks attempted to limit up but failed, resulting in a limit up rate of 67% (excluding ST and delisted stocks) [1] - Notable stocks include Bluefeng Biochemical, which achieved a 5-day consecutive limit up, and Wanxiang Qianchao, a robotics concept stock, which recorded 6 limit ups in 10 days [1] Group 2 - Huajian Group, associated with Shanghai Microelectronics, achieved a 2-day consecutive limit up and has seen 6 limit ups in the last 12 trading days [1]

Company Performance - Huajian Group's stock price reached a historical high, increasing by 10.02% to 23.71 yuan, with a trading volume of 38.41 million shares and a transaction amount of 900 million yuan [2] - The company's latest A-share total market capitalization is 23.007 billion yuan, and the A-share circulating market capitalization is 22.598 billion yuan [2] - The company reported a revenue of 2.977 billion yuan for the first half of the year, a year-on-year decrease of 17.25%, and a net profit of 137 million yuan, down 26.84% year-on-year, with basic earnings per share of 0.1400 yuan and a weighted average return on equity of 2.58% [2] Industry Overview - The overall decline in the construction decoration industry is 0.01%, with 73 stocks rising, including Huajian Group and three others hitting the daily limit [2] - Among the stocks that declined, Zhongtian Jingzhuang, Quanzhu Co., and Dongzhu Ecological had the largest drops of 4.35%, 4.03%, and 2.91% respectively [2]

Group 1 - The stock price of Huajian Group reached a historical high, increasing by 10.02% to 23.71 yuan, with a trading volume of 38.41 million shares and a transaction amount of 900 million yuan [1] - The total market capitalization of Huajian Group in A-shares is 23.007 billion yuan, while the circulating market capitalization is 22.598 billion yuan [1] - In the construction decoration industry, the overall decline is 0.01%, with 73 stocks rising, including Huajian Group, and 72 stocks declining [1] Group 2 - The company reported a revenue of 2.977 billion yuan for the first half of the year, a year-on-year decrease of 17.25%, and a net profit of 137 million yuan, down 26.84% year-on-year [1] - The basic earnings per share are 0.1400 yuan, and the weighted average return on net assets is 2.58% [1]

Group 1 - The engineering consulting services sector experienced a decline of 0.46% on September 25, with Shen Shui Institute leading the drop [1][2] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] - Notable gainers in the engineering consulting sector included Huajian Group, which rose by 10.01% to a closing price of 21.55, and Hualan Group, which increased by 3.24% to 16.25 [1] Group 2 - Shen Shui Institute saw a significant decline of 8.32%, closing at 25.69, with a trading volume of 134,500 shares and a transaction value of 349 million [2] - The sector experienced a net outflow of 124 million from institutional investors, while retail investors saw a net inflow of 23.36 million [2][3] - The top net inflows from retail investors were observed in Huajian Group, with a net outflow of 84.1 million, and Hualan Group, which had a net inflow of 52.51 million [3]