Market Overview - On September 12, the infrastructure sector rose by 0.64% compared to the previous trading day, with Dongzhu Ecological leading the gains [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Top Gainers in Infrastructure Sector - Dongzhu Ecological (603359) closed at 11.15, up 9.96% with a trading volume of 6779.23 lots [1] - Jieneng Iron Han (300197) closed at 2.54, up 7.63% with a trading volume of 216.19 million [1] - Chengbang Co., Ltd. (603316) closed at 11.02, up 6.17% with a trading volume of 36.91 million [1] - Other notable gainers include Garden Co. (605303) up 5.99%, Hongrun Construction (002062) up 5.33%, and ST IF Ping (603843) up 4.89% [1] Top Losers in Infrastructure Sector - ST Yuancheng (603388) closed at 1.77, down 4.32% with a trading volume of 21.50 million [2] - Jiao Jian Co. (603815) closed at 10.94, down 3.19% with a trading volume of 21.38 million [2] - ST Lingnan (002717) closed at 1.62, down 2.99% with a trading volume of 107.95 million [2] Capital Flow Analysis - The infrastructure sector experienced a net outflow of 132 million yuan from institutional investors, while retail investors saw a net inflow of 169 million yuan [2] - Major stocks with significant capital flow include Xinjiang Jiaojian (002941) with a net outflow of 82.03 million yuan from institutional investors [3] - Other stocks like Pudong Construction (600284) and China Energy Construction (601868) saw net inflows of 71.73 million yuan and 70.45 million yuan from institutional investors, respectively [3]

Group 1 - Longjian Road and Bridge Co., Ltd. was fined 10,000 yuan by the Dingyuan County Transportation Bureau for exceeding load limits in freight transportation [1][2] - The company is recognized as one of the most powerful and largest comprehensive service providers in infrastructure construction in Northeast China, engaging in various sectors including highway and bridge construction, municipal engineering, and urban renewal [3] - Longjian Road and Bridge has a registered capital of 1.015 billion yuan, employs over 6,700 people, and has a production capacity exceeding 30 billion yuan annually [3] Group 2 - The company has accumulated contract orders totaling 126 billion yuan over the past five years, with nearly 80 billion yuan in revenue [3]

Group 1 - The company, Longjian Co., announced that it will hold a semi-annual performance briefing on September 15, 2025, from 13:00 to 14:45 [2]

龙建路桥股份有限公司 关于召开 2025 年半年度业绩说明会的公告 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法律责任。 重要内容提示： 证券代码：600853 证券简称：龙建股份 公告编号:2025-066 会议召开时间：2025 年 09 月 15 日(星期一)下午 13:00-14:45 会 议 召 开 地 点 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （ 网 址 ： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心视频和网络互动 投资者可于 2025 年 09 月 08 日(星期一) 至 09 月 12 日(星期五)16:00 前登录 上 证 路 演 中 心 网 站 首 页 点 击 " 提 问 预 征 集 " 栏 目 或 通 过 公 司 邮 箱 ljgf@longjianlq.com 进行提问。公司将在说明会上对投资者普遍关注的问题进 行回答。 龙建路桥股份有限公司（以下简称公司）已于 2025 年 8 月 28 日 发布公司 2025 年半年度报告，为便于广大投资者更全 ...

Key Highlights - De Xin Technology does not directly produce solid-state batteries [1] - Gujia Home intends to invest 1.124 billion yuan in the construction of a self-built base in Indonesia [1] - Samsung Medical signed a contract worth approximately 419 million yuan for a smart meter project in Egypt [1] - Keli Sensor plans to acquire 45% of Huahong Technology for 122 million yuan [1] - Huamao Technology has repurchased a total of 6.42% of its shares [1] - BYD's total sales of new energy vehicles reached 373,600 units in August [1] - Great Wall Motors reported total sales of 115,558 units in August, a year-on-year increase of 22.33% [1] - Sheng Tai Group's shareholder Itochu Asia plans to reduce its stake by no more than 3% [1] - Dekoli's Qian Mingying and his concerted action partner Shen Liang plan to reduce their holdings by a total of no more than 2.9957% [1] - Longqi Technology's Suzhou Shunwei plans to reduce its holdings by no more than 4.09% [1] - Tianqi Co., Ltd. signed a strategic cooperation framework agreement with Yiwei Lithium Energy [1] - Yibin Technology received a project designation notice from a domestic new energy vehicle company [1]

Group 1 - The company, Longjian Co., Ltd. (600853.SH), has received a bid notification confirming its selection as the contractor for the rural road improvement and dangerous bridge renovation project in Harbin's Shuangcheng District for 2024, specifically for the A1 section of the tender [1] - The contract value for the project is 310 million yuan [1] - The construction tasks associated with this project are expected to account for approximately 1.70% of the company's audited revenue for 2024 [1]

证券代码：600853 证券简称：龙建股份 编号：2025-065 龙建路桥股份有限公司涉及诉讼进展公告 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法律责任。 重要内容提示: 2023 年 9 月，公司收到甘肃省张掖市甘州区人民法院（2023）甘 0702 民初 4980 号民事调解书。（详情请见公司于 2023 年 9 月 28 日在 上海证券交易所披露的"2023-078"号临时公告）。 二、案件进展情况 本案在执行过程中，甘肃省张掖市甘州区人民法院经查被执行人张 本公告是对公司已披露的编号为"2023-055""2023-078""2025-041" 临时公告的后续进展公告。 案件所处的诉讼阶段：强制执行。 上市公司所处的当事人地位：申请执行人。 涉案的金额：18,052,204.38 元。 是否会对上市公司损益产生负面影响：案件涉及的相关款项已全额计提 减值准备，终结本次执行对公司财务报表不存在不利影响。 掖市万盛投资开发建设有限责任公司的法定代表人被留置，暂无具体负 责人且无财产可供执行。近日，公司收到甘肃省张掖市甘州区人 ...

龙建路桥股份有限公司工程项目中标公告 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法律责任。 证券代码：600853 证券简称：龙建股份 编号：2025-064 公司被确定为哈尔滨市双城区2024年（第三批）农村公路提质改造 工程及农村公路危桥改造工程施工招标A1标段（以下简称项目、本项目） 中标人。 项目地点：黑龙江省哈尔滨市双城区 龙建路桥股份有限公司董事会 2025 年 9 月 2 日 报备文件 近日，龙建路桥股份有限公司（以下简称公司）收到招标人哈尔滨 市双城区农村公路建设指挥部、招标代理黑龙江省信诚工程招标有限公 司发来的中标通知书： 中标价：310,070,652.00元 计划工期：自合同签订之日起至2025年11月30日 工程概况：本项目共包括41条路段，路线全长315.371公里，采用 三、四级公路标准建设。施工内容主要包括路基、路面、桥梁、涵洞、 交通安全设施等工程施工及缺陷责任期修复。 本项目公司承担的施工任务约占公司2024年经审计营业收入的 1.70%。 特此公告。 中标通知书 ...

Core Points - Longjian Co., Ltd. (600853.SH) has received a winning bid notification for the construction of rural road improvement and dangerous bridge renovation projects in Harbin's Shuangcheng District for 2024, with a bid amount of 310 million yuan [1] - The construction tasks undertaken by the company account for approximately 1.70% of its audited operating income for 2024 [1]

龙建股份公告，公司近日收到哈尔滨市双城区农村公路建设指挥部和黑龙江省信诚工程招标有限公司发 来的中标通知书。公司被确定为哈尔滨市双城区2024年农村公路提质改造工程及农村公路危桥改造工程 施工招标A1标段的中标人。中标价为3.1亿元。项目地点位于黑龙江省哈尔滨市双城区，计划工期自合 同签订之日起至2025年11月30日。工程包括41条路段，全长315.37公里，采用三、四级公路标准建设， 施工内容涵盖路基、路面、桥梁、涵洞及交通安全设施等。 ...