Summary of Key Points Core Viewpoint - On December 30, a total of 10 stocks from the STAR Market experienced block trading, with a cumulative transaction amount of 172 million yuan, indicating active trading in the sector [1]. Group 1: Trading Activity - A total of 17 block trades were recorded, with a cumulative trading volume of 2.4415 million shares [1]. - The stock with the highest transaction amount was Tuojing Technology, with a trading volume of 310,000 shares and a transaction amount of 103 million yuan [1]. - Other notable stocks in terms of transaction amounts included Canxin Co. and Jianlong Micro-Nano, with transaction amounts of 18.4941 million yuan and 13.2 million yuan, respectively [1]. Group 2: Price Performance - All stocks involved in block trading were sold at a discount, with the highest discount rates observed for Shijia Photon, Guoguang Electric, and Aerospace Hongtu, with discount rates of 21.08%, 15.73%, and 13.49% respectively [1]. - The STAR 50 Index rose by 1.01%, with 226 stocks (37.73%) in the STAR Market experiencing price increases [1]. - Among the stocks that underwent block trading, the average price change was a decline of 0.30%, with Canxin Co., Aifute, and Shijia Photon showing the highest increases of 4.49%, 3.76%, and 1.41% respectively [1]. Group 3: Institutional Participation - There were 3 transactions involving institutional buyers or sellers, with the highest institutional buying amounts for Tuojing Technology, Huayi Technology, and Aifute, amounting to 103 million yuan, 2.4712 million yuan, and 2.0041 million yuan respectively [2]. - In terms of capital flow, 4 stocks saw net inflows from major funds, with the highest net inflows for Shijia Photon, Canxin Co., and Tuojing Technology, amounting to 57.6398 million yuan, 42.5456 million yuan, and 32.3065 million yuan respectively [2]. - Conversely, Guoguang Electric, Aerospace Hongtu, and Huaguang New Materials experienced the highest net outflows, totaling 65.4989 million yuan, 28.5148 million yuan, and 25.9997 million yuan respectively [2].

Core Viewpoint - Jianlong Micro-Nano experienced significant trading activity on December 29, with a total of 743,200 shares traded, amounting to 24.46 million yuan, indicating a trend of discounted transactions relative to the closing price [2] Trading Activity Summary - On December 29, there were 6 block trades for Jianlong Micro-Nano, with a total trading volume of 743,200 shares and a total transaction value of 24.46 million yuan [2] - All block trades were executed at prices lower than the closing price, indicating a discount [2] - Institutional proprietary seats participated in 3 of the trades, with a total transaction value of 6.40 million yuan, resulting in a net purchase of 6.40 million yuan [2] Recent Trading Trends - Over the past 3 months, Jianlong Micro-Nano has recorded 8 block trades, with a cumulative transaction value of 34.31 million yuan [2] - The closing price on December 29 was 34.43 yuan, reflecting a 1.23% increase, with a daily turnover rate of 2.44% and a total transaction amount of 84.96 million yuan [2] - The stock has seen a net outflow of 2.13 million yuan in major funds for the day, but has increased by 7.69% over the past 5 days, with a total net inflow of 6.84 million yuan [2] Margin Trading Data - The latest margin financing balance for Jianlong Micro-Nano is 142 million yuan, which has increased by 6.71 million yuan over the past 5 days, representing a growth rate of 4.95% [2]

河南中证开元创业投资基金（有限合伙）及其一致行动人民权县创新 产业投资基金（有限合伙）保证向本公司提供的信息真实、准确、完整， 没有虚假记载、误导性陈述或重大遗漏。 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息 一致。 证券代码：688357 证券简称：建龙微纳 公告编号：2025-064 转债代码：118032 转债简称：建龙转债 洛阳建龙微纳新材料股份有限公司 关于合计持股 5%以上股东权益变动触及 1%刻度的 提示性公告 一、 信息披露义务人及其一致行动人的基本信息 1.身份类别 | | ☐控股股东/实际控制人及其一致行动人 ☑其他 5%以上大股东及其一致行动人 | | --- | --- | | 投资者及其一致行动人的身份 | ☐合并口径第一大股东及其一致行动人（仅适用 | | | 于无控股股东、实际控制人） | | | ☐其他______________（请注明） | 重要内容提示： 权益变动方向 比例增加☐ 比例减少☑ 权益变动前合计比例 7.00% 权益变动后合计比例 5.89% 本次变动是否违反已作出的承 诺、意向、计划 是☐ 否☑ 是否触发强制要约收购义务 是☐ 否☑ 2.信 ...

广发证券股份有限公司 关于洛阳建龙微纳新材料股份有限公司 2025 年度持续督导工作现场检查报告 上海证券交易所： 根据《证券发行上市保荐业务管理办法》《上海证券交易所上市公司自律监 管指引第 11号——持续督导》《上海证券交易所科创板上市公司自律监管指引第 1 号——规范运作》等有关法律、法规的规定，广发证券股份有限公司（以下简称 "保荐机构"、"广发证券"）作为正在履行洛阳建龙微纳新材料股份有限公司（以 下简称"建龙微纳"、"公司"或"上市公司"）持续督导工作的保荐机构，对公司 2025 年度以来持续督导期间（以下简称"本持续督导期"）的规范运行情况进行 了现场检查，报告如下： 一、本次现场检查的基本情况 （一）保荐机构 广发证券股份有限公司 （二）保荐代表人 赵鑫、戴宁 （三）现场检查时间 2025 年 12 月 22 日至 2025 年 12 月 23 日 （四）现场检查人员 赵鑫、王佳丽 （五）现场检查手段 二、本次现场检查主要事项及意见 （一）公司治理和内部控制情况 现场检查人员访谈公司高管人员，现场查看了上市公司的主要生产经营场所， 查阅了上市公司董事会、股东会的会议记录和会议决议、信息披露文件 ...

Core Viewpoint - Jianlong Micro-Nano's stock closed at 34.01 yuan on December 26, with a slight increase of 0.74% and two block trades totaling 300,000 shares worth 9.854 million yuan [1] Trading Activity - The first block trade occurred at a price of 31.06 yuan for 100,000 shares, amounting to 3.106 million yuan, with a discount rate of -8.67%. The buyer was CITIC Securities Co., Ltd. headquarters, and the seller was Zhongyuan Securities Co., Ltd. Zhecheng Future Avenue branch [1] - The second block trade was executed at a price of 33.74 yuan for 200,000 shares, totaling 6.748 million yuan, with a discount rate of -0.79%. The buyer was CITIC Construction Investment Securities Co., Ltd. headquarters, and the seller was Zhongyuan Securities Co., Ltd. Beijing branch [1] Recent Performance - Over the past three months, Jianlong Micro-Nano has recorded two block trades with a total transaction value of 9.854 million yuan. In the last five trading days, the stock has risen by 6.75%, with a net inflow of 6.1055 million yuan from major funds [1]

Core Viewpoint - The company, Luoyang Jianlong Micro-Nano New Materials Co., Ltd., has announced the cancellation of its special fundraising account following the completion of its fundraising project for the "Adsorption Material Industrial Park Expansion Project (Phase I)" [1][3]. Fundraising Situation - In 2022, the company raised a total of RMB 193,999,926.12 through a private placement of 1,235,039 shares, with a net amount of RMB 189,961,026.53 after deducting issuance costs of RMB 4,038,899.59 [1][2]. Fundraising Account Management - The company established a special account for managing the raised funds in compliance with relevant regulations and has signed a tripartite supervision agreement with the sponsor and the bank [2]. Cancellation of Fundraising Account - The fundraising account is being canceled as all outstanding payments related to the project have been settled, and the funds have been used as per regulations [3][4].

| 证券代码：688357 | 证券简称：建龙微纳 | 公告编号：2025-063 | | --- | --- | --- | | 转债代码：118032 | 转债简称：建龙转债 | | 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、准确性和完整性依法承担法律责任。 洛阳建龙微纳新材料股份有限公司（以下简称"公司"）2022 年以简易程序 向特定对象非公开发行股票募集资金按照相关法律法规、规范性文件等的规定在 银行开立了募集资金专户。鉴于公司上述募集资金投资项目"吸附材料产业园改 扩建项目（一期）"已结项，募集资金已按规定使用完毕，公司按照相关要求将 对应的募集资金专户予以注销，具体情况如下： 一、募集资金情况 根据中国证券监督管理委员会于 2022 年 2 月 18 日出具的《关于同意洛阳建 龙微纳新材料股份有限公司向特定对象发行股票注册的批复》（证监许可〔2022〕 347 号），洛阳建龙微纳新材料股份有限公司（以下简称"公司"）以简易程序向 特定对象非公开发行 1,235,039 股股票，募集资金总额为人民币 193,999,926.12 元，扣除 ...

Core Viewpoint - Jianlong Micro-Nano announced a non-public offering of 1.235 million shares, raising 194 million yuan, with a net amount of 189 million yuan after deducting issuance costs, aimed at funding the "Expansion and Reconstruction Project of Adsorption Material Industrial Park (Phase I)" [1] Group 1 - The company completed the fundraising for the project, which is set to conclude on December 28, 2024 [1] - All pending payments have been settled, and the raised funds have been fully utilized [1] - The company has recently canceled two special accounts for raised funds at China Industrial Bank and China Merchants Bank, leading to the termination of related regulatory agreements [1]

Core Viewpoint - Jianlong Micro-Nano has shifted its investment strategy from acquiring a controlling stake in Hanxing Energy to taking a 40% equity stake, reflecting a strategic pivot towards becoming a comprehensive technology service provider [1][2][3] Investment Strategy - Jianlong Micro-Nano's wholly-owned subsidiary, Shanghai Jianlong Micro-Nano New Materials Technology Co., plans to invest 200 million yuan to acquire a 40% stake in Hanxing Energy, which will become an associate company [1][3] - The initial plan to acquire a controlling stake was terminated due to the immaturity of conditions for a major asset restructuring [2][3] Financial Performance - For the first nine months of 2025, Jianlong Micro-Nano reported revenues of 590 million yuan, a year-on-year increase of 4.34%, and a net profit attributable to shareholders of 72.73 million yuan, up 20.15% [1][6] - In Q3 2025, the company achieved a net profit growth of 70.22% and a non-recurring net profit growth of 110.88% compared to the same period last year [1][6] Hanxing Energy's Performance - Hanxing Energy reported revenues of 618 million yuan and a net profit of 76.93 million yuan for 2024, with fluctuations in performance noted for the first nine months of 2025 due to project execution timing [3][4] - The company specializes in providing comprehensive services in the petrochemical and industrial gas preparation sectors, which are project-based and can lead to revenue volatility [3][5] Strategic Importance - The investment in Hanxing Energy is seen as a crucial step for Jianlong Micro-Nano to transition from a materials manufacturer to a comprehensive technology service provider, enhancing its capabilities in process engineering and system integration [5][6] - The collaboration aims to leverage both companies' resources and expertise, focusing on market expansion and new product development in the petrochemical and oil refining sectors [2][5] International Expansion - Jianlong Micro-Nano's overseas sales reached 155 million yuan in the first three quarters of 2025, accounting for 26.21% of total revenue, with significant growth from its Thailand subsidiary [6][7] - The company is actively expanding its customer base in key regions such as India, Europe, and North America, enhancing its local delivery and brand influence [7]

Core Viewpoint - The nuclear pollution prevention sector is experiencing significant growth, driven by recent events in Japan that have raised global concerns about nuclear safety and pollution management [1][3]. Company Performance - Companies in the nuclear pollution prevention sector have seen substantial stock price increases, with notable performers including: - Puni Testing (谱尼测试) up 19.95% to 9.32 - Zaiseng Technology (再升科技) up 9.97% to 11.03 - Yinbang Shares (银邦股份) up 5.41% to 13.05 - Guangzhi Technology (光智科技) up 5.23% to 48.27 - Hujiang Materials (沪江材料) up 5.14% to 19.23 [2]. Industry Context - The recent leakage incident at Japan's "Puxian" nuclear reactor, which involved approximately 20 milliliters of radioactive water, has highlighted serious vulnerabilities in Japan's nuclear facility operations and safety regulations [3][4]. - The timing of this incident coincides with Japan's controversial decision to release over 130,000 tons of treated nuclear wastewater from the Fukushima plant, which has sparked significant public opposition and international criticism [4][5]. Market Trends - The nuclear pollution prevention industry is expanding, particularly in China, where the growth of nuclear power plants and advancements in nuclear technology are driving demand for pollution management solutions [6]. - The market for nuclear pollution prevention is expected to grow due to increased concerns about radiation and the need for effective waste management technologies [6]. Sector Segmentation - The nuclear pollution prevention industry can be divided into several segments, including: - Nuclear accident prevention - Nuclear waste treatment - Radiation protection - Decommissioning of nuclear facilities [7]. Relevant Companies and Technologies - Key companies and their technologies in the nuclear pollution prevention sector include: - China General Nuclear Power (中广核技) and China Electric Environmental Protection (中电环保) for nuclear wastewater treatment technologies - Jiarong Technology (嘉戎技术) for membrane separation technology applicable to nuclear wastewater treatment - Hailun Zhe (海伦哲) for biochemical decontamination equipment - Jianlong Micro-Nano (建龙微纳) for specialized molecular sieves for radioactive element removal [8]. - Other notable companies include: - Sun Moon Shares (日月股份) for nuclear storage tank products - Tongyu Heavy Industry (通裕重工) for intelligent nuclear waste treatment equipment - China General Nuclear (中国广核) for nuclear wastewater processing capabilities [8].