证券之星消息，7月30日装修建材板块较上一交易日上涨0.29%，扬子新材领涨。当日上证指数报收于 3615.72，上涨0.17%。深证成指报收于11203.03，下跌0.77%。装修建材板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 002652 | 扬子新材 | 4.17 | 6.92% | 73.46万 | | 2.97亿 | | 002225 | 濮耐股份 | 7.17 | 6.54% | 104.45万 | | 7.34亿 | | 605318 | 法师龙 | 28.46 | 3.60% | 5.55万 | | 1.58亿 | | 002457 | 青龙管业 | 12.93 | 2.70% | 55.36万 | | 7.07亿 | | 002785 | 万里石 | 30.33 | 1.64% | 7.92万 | | 2.40亿 | | 833580 | 科创新材 | 15.07 | 1.41% | 2.42万 | | 3592.86万 | | 300 ...

格隆汇7月30日丨青龙管业(002457.SZ)在互动平台表示，公司专注于高品质输水管道及相关产品的研 发、生产、销售，并提供输节水领域的整体解决方案。公司的主营业务聚焦在水利市场，应用于跨流域 调水、城市供排水、城乡供水、高标准农田建设及节水灌溉等细分领域。 西藏一直是公司重点关注的 区域，公司2023年中标拉萨市旁多引水工程钢塑复合管项目。目前"雅鲁藏布江超级水电站"项目还处于 早期阶段，预计项目建设周期为10-15年。未来若有涉及到公司产品的项目，公司将积极参与相关项目 建设。 ...

登录新浪财经APP 搜索【信披】查看更多考评等级 证券代码：002457 证券简称：青龙管业 公告编号：2025-040 青龙管业集团股份有限公司 关于控股股东、实际控制人减持股份触及1%的公告 公司控股股东宁夏青龙科技控股有限公司、实际控制人陈家兴先生保证向本公司提供的信息内容真实、 准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 ■■ 特此公告 青龙管业集团股份有限公司董事会 2025年7月29日 青龙管业集团股份有限公司（以下简称"公司"）于2025年7月3日披露了《关于控股股东、实际控制人减 持股份的预披露公告》（公告编号：2025-036）。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"）及实际控制人陈家兴先生拟在该公告披露日起十五个交易日后的三个月内，通过大宗交 易和集中竞价的方式，预计合计减持本公司无限售条件流通股不超过9,909,700股（即不超过剔除公司回 购专用账户股份后总股本的3.00%）。其中，以集中竞价交易方式减持本公司股份双方合计不超过 3,303,200股（即不超过总股本的1.00%），以大宗交易 ...

证券代码：002457 证券简称：青龙管业 公告编号：2025-040 青龙管业集团股份有限公司 权益变动过程 青龙控股和陈家兴先生在2025年7月28日减持公司股份 份64,647,504股，占公司总股本的19.39%；陈家兴先生 持有公司股份29,424,900股，占公司总股本的8.82%。 本次减持计划的实施符合《中华人民共和国证券法》 《深 圳证券交易所股票上市规则》《深圳证券交易所上市公 司自律监管指引第1号——主板上市公司规范运作》《上 市公司股东减持股份管理暂行办法》《深圳证券交易所 上市公司自律监管指引第18号——股东及董事、高级管 理人员减持股份》等相关法律法规、部门规章及规范性 文件的相关规定。 本次减持不会导致公司控制权发生变更，也不会对公司 治理结构及持续经营产生重大影响。 关于控股股东、实际控制人减持股份触及 1%的公告 公司控股股东宁夏青龙科技控股有限公司、实际控制人陈家兴先生保证向本 公司提供的信息内容真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 青龙管业集团股份有限公司（以下简称"公司"）于 2025 ...

格隆汇7月29日丨青龙管业(002457.SZ)公布，公司近日收到青龙控股及陈家兴先生的通知，在2025年7 月28日，青龙控股和陈家兴先生累计减持公司股份4,303,250股，占公司总股本的1.29%。 ...

格隆汇7月29日丨青龙管业(002457.SZ)公布，公司近日收到青龙控股及陈家兴先生的通知，在2025年7 月28日，青龙控股和陈家兴先生累计减持公司股份4,303,250股，占公司总股本的1.29%。 ...

证券代码：002457 证券简称：青龙管业 公告编号：2025-040 青龙管业集团股份有限公司 1．基本情况 | | | 司自律监管指引第1号——主板上市公司规范运作》《上 | | | | --- | --- | --- | --- | --- | | | | 市公司股东减持股份管理暂行办法》《深圳证券交易所 上市公司自律监管指引第18号——股东及董事、高级管 | | | | | | 理人员减持股份》等相关法律法规、部门规章及规范性 | | | | 文件的相关规定。 | | | | | | | | 本次减持不会导致公司控制权发生变更，也不会对公司 | | | | | | 治理结构及持续经营产生重大影响。 | | | | 股票简称 | 青龙管业 | 股票代码 002457 | | | | 变动方向 | 上升□ 下降☑ | 有☑ | 一致行动人 | 无□ | | 是否为第一大股东或实际控制人 | | 是☑ 否□ | | | | 2．本次权益变动情况 | | | | | | 股东名称 | 股份种类 | 减持股数（股） | | 减持比例（%） | | 青龙控股 | A股 | 3,303,250 | | 0.99% ...

随着中国及全球对清洁能源的需求日益增长，风电混塔市场前景广阔。 7月28日，青龙管业集团股份有限公司（以下简称"青龙管业"）发布签署战略合作框架协议书的公告。 公告显示，公司与北京天杉高科风电装备有限责任公司（以下简称"天杉高科"）于近日签订了《战略合 作框架协议书》，双方本着强强联合、优势互补、资源共享的宗旨，按照市场原则积极推进双方合作， 拓展双方在风电领域的市场布局与发展空间，实现互利共赢。 天杉高科是国内首家钢混塔架产品设计、工程交付的整体解决方案提供者，在风电行业的研发、设计、 生产等方面具有较强的能力与市场认可度，是全球风力发电行业领军企业金风科技股份有限公司（以下 简称"金风科技"）的下属单位。 公告显示，就具体合作内容来看，在双方约定的特定区域范围，天杉高科采购的混凝土风电塔筒订单， 应当按双方协商制定的定价规则（定价规则以具体的协议为准）在天杉高科公开招采方式完成后，对青 龙管业的地域优势进行优先考虑。天杉高科在上述约定的特定区域范围内采购的混凝土风电塔筒订单， 在青龙管业全资子公司天津海龙管业有限责任公司（以下简称"海龙公司"）产能能够满足需求且满足定 价规则情况下优先由海龙公司生产。双方 ...

Group 1 - Zhejiang Dingli achieved a net profit of 1.051 billion yuan in the first half of 2025, a year-on-year increase of 27.49% [1] - The company reported an operating income of 4.336 billion yuan, representing a year-on-year growth of 12.35% [1] - Basic earnings per share were 2.08 yuan [1] Group 2 - Dexin Technology announced that its shareholder plans to reduce its stake by no more than 1%, equating to 2.3351 million shares [1] - The company specializes in the research, design, manufacturing, and sales of lithium battery cutting molds and precision components [1] Group 3 - Fangda Group signed new orders worth 970 million yuan in the second quarter of 2025 [1] - The total amount of signed but uncompleted contracts reached 4.916 billion yuan by the end of the second quarter [1] Group 4 - Warner Pharmaceutical's shareholder plans to reduce its stake by no more than 1.3 million shares, which is approximately 0.9899% of the total share capital [3] - The company focuses on the research, production, and sales of chemical raw materials and traditional Chinese medicine [3] Group 5 - Zijin Mining's vice president plans to reduce his holdings by no more than 250,300 shares [4] - The company is engaged in the exploration and development of mineral resources, including gold, copper, and lithium [4] Group 6 - Shenkong Co. received government subsidies totaling 14.9 million yuan [6] - The company specializes in the research, production, and sales of large-diameter silicon materials and semiconductor products [6] Group 7 - Jincai Hulin's shareholder plans to reduce its stake by no more than 2.5%, which amounts to 19.4798 million shares [1] - The company is involved in heat treatment equipment manufacturing and related services [1] Group 8 - New Media Co. plans to reduce its stake by no more than 6.8434 million shares, approximately 2.99% of the total share capital [1] - The company focuses on IPTV, internet audio-visual services, and content copyright [1] Group 9 - Aidi Pharmaceutical received a drug registration certificate for its product in Zanzibar, allowing for commercial sales [8] - The product is a new drug developed for the treatment of HIV-1 infection [8] Group 10 - Changlan Technology plans to reduce its stake by no more than 1%, equating to 1.9311 million shares [10] - The company specializes in the research, production, and sales of power cable accessories [10] Group 11 - Qiaofeng Intelligent announced that two shareholders plan to reduce their holdings by no more than 2.14% of the total share capital [12] - The company focuses on the research, production, and sales of CNC machine tools [12] Group 12 - Junxin Co. signed a tripartite preliminary agreement to build a solid waste disposal power facility valued at approximately 280 million USD in Almaty [13] - The company specializes in waste incineration power generation and related environmental services [13] Group 13 - Qinglong Pipe Industry signed a strategic cooperation framework agreement with Tian Shan High-tech [14] - The company is involved in the research, production, and sales of high-quality water supply pipes [14] Group 14 - Defang Nano's shareholder plans to reduce its stake by no more than 1%, equating to 2.7954 million shares [1] - The company specializes in the research, production, and sales of lithium-ion battery materials [1] Group 15 - ST Lutong's specific shareholder plans to reduce its stake by up to 3%, including 2 million shares through centralized bidding and 4 million shares through block trading [1] - The company focuses on cable television network equipment and smart control systems [1] Group 16 - Tongzhou Electronics reported a net profit of 203 million yuan in the first half of 2025, a significant turnaround from a loss of 36.08 million yuan in the previous year [17] - The company achieved an operating income of approximately 540 million yuan, representing a year-on-year growth of 606.52% [17] Group 17 - Rebecca reported a net profit of 9.3759 million yuan in the first half of 2025, a year-on-year increase of 15.31% [18] - The company achieved total operating revenue of approximately 598 million yuan, reflecting a year-on-year growth of 4.20% [18] Group 18 - Ruixin Technology's shareholders plan to reduce their holdings by no more than 4.9493 million shares, which is up to 3% of the total share capital [20] - The company specializes in the research, production, and sales of precision aluminum alloy components [20]

Core Viewpoint - Qinglong Pipeline Industry Group Co., Ltd. is strategically transforming by entering the wind power mixed tower industry and leveraging opportunities in traditional water conservancy projects, aiming to create a second growth curve through "new energy + new infrastructure" dual drivers [1][5]. Group 1: Wind Power Strategy - Qinglong Pipeline has signed a strategic cooperation framework agreement with Beijing Tianshan High-tech Wind Power Equipment Co., Ltd. to enter the wind power mixed tower sector, integrating both companies' technological advantages [2]. - The collaboration aims to develop new mixed tower structures suitable for wind power projects, aligning with the national "dual carbon" strategy and the rapid growth of the wind power industry [2]. - The wind power mixed tower market is expanding due to the increasing size of wind turbines, and this partnership is expected to lower lifecycle costs and enhance the business layout for wind power mixed towers by 2025 [2]. Group 2: Water Conservancy Business - Qinglong Pipeline's traditional water conservancy business is benefiting from policy incentives, particularly with the Yajiang project, which has a total investment of 1.2 trillion yuan and requires high-strength, impermeable water delivery pipes [3]. - The Yajiang project is a key national development initiative that will involve the construction of five tiered power stations and a long water delivery tunnel system, creating a strong demand for the company's prestressed concrete pipes (PCCP) [3]. - Competitor Guotong Co., Ltd. has publicly announced participation in the Yajiang project bidding, indicating a broad market opportunity [3]. Group 3: Technological Advancements - Qinglong Pipeline has demonstrated its technical capabilities with the successful application of its DRCP-C type pipeline in the Xinjiang Yili River natural gas pipeline project, overcoming construction challenges in water-rich gravel strata [4]. - The specially designed pipeline features high compressive strength and impermeability, capable of withstanding significant underground water pressure, thus setting a new industry benchmark for similar projects [4]. - The completed underwater pipeline is expected to transport 200 million cubic meters of gas annually, benefiting 100,000 residents and enhancing regional economic development [4]. Group 4: Strategic Upgrade - Qinglong Pipeline is evolving from a pipeline manufacturer to a comprehensive engineering solution provider, focusing on technology-driven innovation, EPC contracting models, and market diversification [5]. - The company aims to leverage its pipeline expertise to tap into the trillion-yuan markets of new energy and new infrastructure, positioning itself as a key player in green infrastructure development [5]. - The strategic shift is supported by ongoing research and development investments, creating a patent barrier and enhancing competitive advantages in the industry [5].