证券代码：002457 证券简称：青龙管业 公告编号：2025-064 青龙管业集团股份有限公司 关于中标候选人公示的提示性公告 本公司及董事会全体成员保证公告内容的真实、准确、完整，没有虚假记载、误 导性陈述或者重大遗漏。 近日，宁夏回族自治区公共资源交易网（网址：https://ggzyjy.fzggw.nx.gov.c n/）发布了《彭阳县王洼片区供水工程-输配水工程二标段中标候选人公示》。青龙管 业集团股份有限公司控股孙公司—彭阳县青龙管道科技有限公司被评为第一中标候选 人。对此公示，公司公告提示如下： 一、预中标项目基本情况 1、招标单位：彭阳县水利服务中心 招标代理机构：宁夏正鑫华建设工程管理有限公司 2、项目名称：彭阳县王洼片区供水工程-输配水工程二标段 3、投标报价:81,952,733.10 元（具体以合同签订金额为准） 4、公司与招标人不存在关联关系 二、预中标事项对公司业绩的影响 本次投标报价为 81,952,733.10 元，占公司 2024 年度经审计营业总收入的 2.91%。 如本项目确定中标、签订正式合同并顺利实施，预计对公司未来合同执行期内的经营 业绩产生积极影响。 1、评标结 ...

Core Viewpoint - Qinglong Pipe Industry's stock price has shown a slight increase of 2.69% year-to-date, but has experienced fluctuations in the short term, indicating potential volatility in the market [2]. Financial Performance - For the period from January to September 2025, Qinglong Pipe Industry reported a revenue of 1.568 billion yuan, representing a year-on-year decrease of 9.25%. The net profit attributable to the parent company was 50.995 million yuan, down 54.91% year-on-year [2]. - Cumulative cash dividends since the company's A-share listing amount to 524 million yuan, with 179 million yuan distributed over the past three years [3]. Stock Market Activity - On November 12, Qinglong Pipe Industry's stock price fell by 2.00%, trading at 11.75 yuan per share with a total transaction volume of 61.6852 million yuan and a turnover rate of 1.56%. The total market capitalization is 3.918 billion yuan [1]. - As of October 31, 2025, the number of shareholders increased by 12.67% to 57,600, while the average circulating shares per person decreased by 11.24% to 5,789 shares [2]. Shareholder Composition - As of September 30, 2025, the top ten circulating shareholders include new entrants such as the Guotai CSI All Index Building Materials ETF, holding 1.1416 million shares, and the GF CSI All Index Building Materials Index A, holding 815,200 shares [3]. Business Overview - Qinglong Pipe Industry, established on March 1, 1999, and listed on August 3, 2010, specializes in the research, production, and sales of various mainstream water supply and drainage pipe products, as well as related engineering services. The main revenue sources include concrete pipes (50.58%), plastic pipes (23.16%), composite steel pipes (14.77%), and design consulting (11.16%) [2].

Group 1 - The company Qinglong Pipe Industry (002457) reported that as of October 31, the number of shareholders was 57,577 [1]

Core Viewpoint - Qinglong Pipeline Industry (002457) has expressed interest in the development of hydrogen energy pipelines but currently has no related business activities [1] Group 1 - The company has conducted research and discussions regarding the hydrogen energy pipeline sector [1] - The company will continue to monitor the hydrogen energy pipeline industry [1]

Core Viewpoint - Qinglong Pipe Industry (002457) has confirmed that Xiong'an New Area is one of its market regions, with coverage from its subsidiaries in Beijing and Tianjin [1] Company Summary - Qinglong Pipe Industry is actively engaged in the Xiong'an New Area market, indicating strategic positioning in a key development zone [1] - The company's subsidiaries in Beijing and Tianjin are well-positioned to serve the Xiong'an New Area, enhancing its market reach [1]

Core Viewpoint - Qinglong Pipe Industry stated on November 7 that the company currently has no undisclosed information that should be disclosed, and any major project wins will be publicly announced [2] Group 1 - The company confirmed that it does not have any undisclosed significant information at this time [2] - The company will disclose any major project wins in the future [2]

Group 1 - The company has been in discussions regarding the development of hydrogen energy pipelines but currently has no related business activities [2] - The company will continue to monitor the hydrogen energy pipeline industry [2]

Group 1 - The announcement details the pledge and release of shares by the controlling shareholder, Ningxia Qinglong Technology Holdings Co., Ltd., to repay part of its debts and reduce its pledge ratio [1][2] - The pledged shares do not involve any performance compensation obligations [2] - As of the announcement date, there is no risk of forced liquidation for the pledged shares held by the controlling shareholder and actual controller, Mr. Chen Jiaxing, and this will not lead to a change in actual control [3] Group 2 - The company will continue to monitor the pledge and release of shares, as well as any associated risks, and will disclose relevant information in accordance with applicable laws and regulations [3] - The board of directors has provided a reference document from China Securities Depository and Clearing Co., Ltd. regarding the changes in shareholding of shareholders holding more than 5% [4]

证券代码：002457 证券简称：青龙管业 公告编号：2025-063 青龙管业集团股份有限公司 关于控股股东部分股份质押及解除质押的公告 本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、股东股份质押的基本情况 青龙管业集团股份有限公司（以下简称"公司"）近日接到公司控股股东- 宁夏青龙科技控股有限公司（以下简称:青龙控股）的通知，获悉青龙控股所持 有本公司的部分股份办理了质押及解除质押业务，具体事项如下： | 股东 | 是否为控 股股东或 第一大股 | 本次质 押的股 | 占其所 持股份 | 占公司 总股本 | 是否 为限 | 是否为 补充质 | 质押起始 | 质押到期 | 质权人 | 质押 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 名称 | | 份数量 | | | | | 日 | 日 | | 用途 | | | 东及其一 致行动人 | （股） | 比例 | 比例 | 售股 | 押 | | | | | | 青龙 控股 | 是，控股股 东 | 15,000, ...

Core Viewpoint - Qinglong Pipe Industry announced that its controlling shareholder, Qinglong Holdings, has pledged 15 million shares (23.77% of its holdings, 4.50% of total share capital) to Guotai Junan Securities, with the pledge period from November 3, 2025, to November 2, 2026, for collateral purposes. At the same time, 33 million shares (52.29% of its holdings, 9.90% of total share capital) were released from pledge to Ningxia Yellow River Rural Commercial Bank. This operation aims to repay part of the debt and reduce the pledge ratio, without involving performance compensation. As of the announcement date, the controlling shareholder and actual controller, Chen Jiaxing, has pledged a total of 32 million shares, accounting for 9.60% of total share capital, with no risk of forced liquidation or change in control [1]. Summary by Categories - **Pledge Details** - Qinglong Holdings pledged 15 million shares (4.50% of total share capital) to Guotai Junan Securities [1] - The pledge period is from November 3, 2025, to November 2, 2026 [1] - 33 million shares (9.90% of total share capital) were released from pledge to Ningxia Yellow River Rural Commercial Bank [1] - **Financial Strategy** - The operation is intended to repay part of the debt and lower the pledge ratio [1] - The actions taken do not involve performance compensation [1] - **Current Pledge Status** - As of the announcement date, the controlling shareholder has pledged a total of 32 million shares, which is 9.60% of total share capital [1] - There is no risk of forced liquidation or change in control [1]