Core Insights - The environmental equipment sector saw a rise of 0.75% on October 28, with Henghe Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Environmental Equipment Sector Performance - Henghe Co., Ltd. closed at 28.25, up 7.37%, with a trading volume of 26,900 and a transaction value of 74.37 million [1] - Longjing Environmental Protection closed at 16.25, up 2.85%, with a trading volume of 198,400 and a transaction value of 318 million [1] - Jifeng Environment closed at 7.04, up 2.47%, with a trading volume of 418,500 and a transaction value of 296 million [1] - Other notable performers include Meiyai Technology, ST Xianhe, and Hengying Environmental Protection, with respective increases of 1.79%, 1.57%, and 1.41% [1] Capital Flow Analysis - The environmental equipment sector experienced a net outflow of 59.73 million from institutional investors and 89.15 million from retail investors, while retail investors saw a net inflow of 149 million [2][3] - Longjing Environmental Protection had a net inflow of 59.39 million from institutional investors, while Jifeng Environment and ST Xianhe also saw positive net inflows [3] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors increased their positions [2][3]

Core Viewpoint - The company, Jiuwu High-Tech, has developed a zero-water consumption lithium extraction technology solution that significantly reduces freshwater usage during the lithium extraction process from salt lakes, addressing the water scarcity issue in highland areas where these resources are located [2]. Summary by Relevant Sections - **Technology Advantages** - The solution utilizes a new type of adsorbent and adsorption process technology, which greatly minimizes freshwater consumption during lithium extraction [2]. - The system incorporates advanced smart energy technology, intelligent control technology, adsorption-coupled membrane lithium extraction technology, and zero wastewater discharge technology, enabling industrial-scale lithium extraction without reliance on external power grids or freshwater supplies [2]. - **Addressing Water Scarcity** - The technology effectively tackles the challenge of water resource shortages in large-scale lithium resource development from salt lakes, which is often a bottleneck due to the high costs of transporting freshwater or producing freshwater from brine [2]. - The solution allows for the full reuse of wastewater generated within the system through desalination techniques, achieving internal water balance [2].

证券代码：300631 证券简称：久吾高科 公告编号：2025-060 江苏久吾高科技股份有限公司 关于对外担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 一、担保情况概述 江苏久吾高科技股份有限公司（以下简称"公司"或"久吾高科"）于2025 年8月17日召开第八届董事会第十八次会议、第八届监事会第十七次会议，会议 审议通过了《关于对外担保的议案》，具体内容详见公司于2025年8月19日在巨 潮资讯网披露的《关于对外担保的公告》（公告编号：2025-042）。 二、担保进展情况 被保证人：山东公用控股有限公司 保证人：江苏久吾高科技股份有限公司 （三）担保事项 1. 久吾高科同意为山东公用控股在主保证合同项下对中行鱼台支行所承担 的保证责任提供担保。本担保的范围仅限于主保证合同所担保的主债权部分。 2. 就上条所约定的担保范围内，久吾高科以自身所持有的鱼台公用股权比 例为限承担保证责任。 近日，公司与山东公用控股有限公司（以下简称"山东公用控股"）签署了 《保证合同》。本次担保属于公司已审议通过的担保事项范围，且担保金额及担 保期限在公司审议 ...

Core Viewpoint - The company Jiuwu High-Tech has developed membrane integration technology applicable in rare earth mineral smelting processes, enhancing the efficiency and stability of extraction operations [2] Company Summary - Jiuwu High-Tech's ceramic membranes exhibit high acid and alkali resistance, corrosion resistance, and precise filtration capabilities [2] - The membranes are effective in pre-treating rare earth leachate, which significantly improves the stability of subsequent processes and extraction efficiency [2]

Core Viewpoint - Jiuwu High-Tech, a company engaged in lithium adsorbent production, confirmed that its wholly-owned subsidiary, Tibet Jiuwu, is focused on this sector [2] Company Summary - Jiuwu High-Tech's subsidiary, Tibet Jiuwu, specializes in the production of lithium adsorbents [2]

Core Insights - The company, Jiuwu High-Tech, is one of the earliest enterprises in China to focus on membrane separation technology, particularly ceramic membranes, after achieving breakthroughs in this field [2] - Over the past 20 years, the company has developed strong capabilities in the research and production of ceramic membranes, organic membranes, and lithium adsorbents [2] - In 2024, the company is set to undergo a re-evaluation as a leading enterprise in the ceramic membrane sector within the Chinese membrane industry [2] - The company plans to increase investments in product research and market expansion to enhance its market share in membrane separation materials [2]

Group 1 - The company management emphasizes a commitment to responsible governance and aims to enhance company performance while actively rewarding shareholders [2]

Core Viewpoint - The company emphasizes its significant involvement in the renewable energy sector, particularly in lithium extraction and battery materials development [2] Group 1: Business Focus - The company identifies the "adsorption + membrane" technology as a key method used in lithium extraction from salt lakes [2] - In addition to salt lake lithium extraction, the company is also engaged in the research and development of lithium battery new energy materials, specifically oxide solid electrolytes [2]

Core Viewpoint - The company, Jiuwu High-Tech, has confirmed its leading position in lithium extraction technology in China, specifically the "adsorption + membrane" method, which is currently the mainstream technology for lithium extraction from salt lakes [2] Group 1: Technology and Expertise - The "adsorption + membrane" lithium extraction technology is recognized as the primary method for lithium extraction from salt lakes in China [2] - The company is one of the few in China that fully masters this technology, along with the production techniques for key materials such as adsorbents and membrane materials [2] Group 2: Custom Solutions - The company designs and implements comprehensive solutions for clients based on feasibility analysis and small-scale experiments, addressing differentiated application needs and process requirements [2]

Core Viewpoint - The company Jiuwu High-Tech announced a supply contract for adsorbents with Salt Lake Co., with a total contract value of 195.6 million yuan, set to be executed in November 2024 [2] Group 1 - The contract amount for the adsorbent supply is 195.6 million yuan [2] - The contract is scheduled to be signed in November 2024 [2] - The details of the contract can be found in the company's official announcement [2]