中岩大地（003001）(003001.SZ)公告，公司股东易山先生计划自本公告发布之日起15个交易日后的三 个月内以集中竞价、大宗交易方式择机减持公司股份，减持数量合计不超过523万股，占公司总股本的 2.96%,占公司总股本剔除回购股份后股本的3.00%。 ...

中岩大地(003001.SZ)公告，公司股东易山先生计划自本公告发布之日起15个交易日后的三个月内以集 中竞价、大宗交易方式择机减持公司股份，减持数量合计不超过523万股，占公司总股本的2.96%,占公 司总股本剔除回购股份后股本的3.00%。 ...

证券代码：003001 证券简称：中岩大地 公告编号：2025-064 关于持股 5%以上股东减持股份的预披露公告 公司持股5%以上股东易山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。 特别提示： 北京中岩大地科技股份有限公司（以下简称"公司"或"本公司"）持股 5% 以上股东易山先生计划自本公告发布之日起 15 个交易日后的三个月内以集中竞 价、大宗交易方式择机减持本公司股份，减持数量合计不超过 5,230,000 股，占 本公司总股本的 2.96%,占公司总股本剔除回购股份后股本的 3.00%。其中，通过 集中竞价方式减持的，在任意连续 90 个自然日内，减持股份的总数不超过公司总 股本的 1%；通过大宗交易方式减持的，在任意连续 90 个自然日内，减持股份的 总数不超过公司总股本的 2%。 北京中岩大地科技股份有限公司 截至本公告披露日，易山先生持有公司无限售流通股 8,927,388 股，占公司 总股本的 5.05%，占公司总股本剔除回购股份后股本的 5.12%。 一、拟减持股东的基本情况 ...

中岩大地公告，持股5%以上股东易山计划自本公告发布之日起15个交易日后的三个月内以集中竞价、 大宗交易方式择机减持本公司股份，减持数量合计不超过523万股，占本公司总股本的2.96%，占公司 总股本剔除回购股份后股本的3.00%。 (本文来自第一财经) ...

格隆汇8月14日丨中岩大地(003001.SZ)公布，公司持股5%以上股东易山先生计划自公告发布之日起15个 交易日后的三个月内以集中竞价、大宗交易方式择机减持公司股份，减持数量合计不超过5,230,000股， 占公司总股本的2.96%,占公司总股本剔除回购股份后股本的3.00%。 ...

证券代码：003001 证券简称：中岩大地 公告编号：2025-064 北京中岩大地科技股份有限公司 关于持股 5%以上股东减持股份的预披露公告 公司持股5%以上股东易山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。 特别提示： 北京中岩大地科技股份有限公司（以下简称"公司"或"本公司"）持股 5% 以上股东易山先生计划自本公告发布之日起 15 个交易日后的三个月内以集中竞 价、大宗交易方式择机减持本公司股份，减持数量合计不超过 5,230,000 股，占 本公司总股本的 2.96%,占公司总股本剔除回购股份后股本的 3.00%。其中，通过 集中竞价方式减持的，在任意连续 90 个自然日内，减持股份的总数不超过公司总 股本的 1%；通过大宗交易方式减持的，在任意连续 90 个自然日内，减持股份的 总数不超过公司总股本的 2%。 近日，公司收到持股 5%以上股东易山先生出具的《关于持股 5%以上股东减持 股份计划的告知函》，现将具体情况公告如下： 一、拟减持股东的基本情况 1、股东名称：易山 2、股东持 ...

人民财讯8月14日电，中岩大地（003001）8月14日晚间公告，持股5.05%的股东易山计划15个交易日后 的三个月内，以集中竞价、大宗交易方式择机减持公司股份合计不超过523万股，占公司总股本的 2.96%，占公司总股本剔除回购股份后股本的3%。 ...

Core Viewpoint - Yishan, a shareholder holding more than 5% of Zhongyan Dadi, plans to reduce its stake by up to 5.23 million shares, representing 2.96% of the total share capital, from September 8, 2025, to December 7, 2025 [1] Summary by Relevant Sections - Shareholder Reduction Plan - Yishan intends to reduce its holdings through centralized bidding and block trading methods [1] - The maximum reduction will not exceed 5.23 million shares, which is 2.96% of the total share capital and 3.00% of the total share capital excluding repurchased shares [1] - Trading Restrictions - In the centralized bidding method, the reduction will not exceed 1% within any continuous 90 natural days [1] - In the block trading method, the reduction will not exceed 2% within any continuous 90 natural days [1] - Current Shareholding Status - As of the announcement date, Yishan holds 8.9274 million shares, accounting for 5.05% of the total share capital [1]

Group 1 - The core viewpoint of the articles highlights the performance and valuation of Zhongyan Dadi, which closed at 28.14 yuan with a PE ratio of 72.17 times, indicating a higher valuation compared to the industry average of 65.28 times [1][2] - Zhongyan Dadi's market capitalization is reported at 4.957 billion yuan, ranking 35th in the engineering consulting services industry [1][2] - The company experienced a net outflow of 25.0675 million yuan in principal funds on August 14, with a total outflow of 31.1135 million yuan over the past five days, indicating a trend of capital withdrawal [1] Group 2 - Zhongyan Dadi specializes in geotechnical engineering and environmental remediation, and is recognized as a national high-tech enterprise, having received multiple prestigious awards [1] - The latest financial results for the first quarter of 2025 show an operating income of 162 million yuan, representing a year-on-year increase of 18.50%, and a net profit of 10.3743 million yuan, reflecting a significant year-on-year growth of 153.13% [1] - The company's gross profit margin stands at 28.20%, indicating its profitability in the current market environment [1]

Investment Rating - The report maintains a "Buy" rating for key stocks in the basic chemical sector, including Dongyangguang, Jingtai Holdings, Zhongyan Dadi, and Weixing Chemical [4]. Core Insights - The basic chemical sector is experiencing a configuration opportunity, with the index declining from a peak of 9565.18 points in September 2021 to a low of 3876.11 points in February 2024, representing a cumulative drop of 59.5% [1]. - The construction project growth rate in the chemical industry has been continuously declining, with a forecasted negative growth rate of -7.3% by Q1 2025 [1]. - The basic chemical index saw a cumulative increase of 5.9% from July 11 to August 8, 2024, while the petroleum and petrochemical index increased by 2.5% during the same period [1]. - Institutional holdings in the basic chemical sector peaked in Q3 2021 at 6.69%, but have since declined to 3.72% by Q2 2025 [1]. Summary by Sections Solid-State Battery Materials - Solid-state batteries are expected to significantly enhance energy density, with potential to exceed 500 Wh/kg, compared to traditional lithium-ion batteries which struggle to surpass 300 Wh/kg [2]. - The report highlights the importance of solid-state battery materials, including polymer, oxide, and sulfide types, with a focus on sulfide materials for future full solid-state batteries [2]. - Companies to watch in this sector include Daoshi Technology and Changyang Technology, as they are positioned to benefit from the anticipated industrialization of solid-state batteries starting in 2026 [2]. AI4S and AI Materials Investment Opportunities - AI4S is rapidly penetrating the pharmaceutical and chemical industries, with significant growth in innovative drug licensing transactions reaching 41 deals worth $36.929 billion in Q1 2025 [3]. - AI technologies are expected to replace traditional drug development processes, enhancing efficiency and reducing costs [3]. - The report identifies key players in AI4S, including Jingtai Holdings and Zhizhi New Materials, as well as suppliers of AI-specific hardware and materials [3].