证券代码：600105 证券简称：永鼎股份 公告编号：临 2025-070 江苏永鼎股份有限公司 股票交易异常波动公告 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、准确性和完整性承担个别及连带责任。 重要内容提示： 江苏永鼎股份有限公司（以下简称"公司"）股票于 2025 年 12 月 10 日、12 月 11 日、12 月 12 日连续三个交易日内日收盘价格涨幅偏离值累计达到 20%。根据《上海证券交易所交易规则》的有关规定，属于股票交易异常波动情 况。 经公司自查并向控股股东、实际控制人书面发函查证，截至本公告披露 日，不存在应披露而未披露的重大事项或重大信息。 公司敬请广大投资者关注本公告正文第三部分提示的相关风险，理性决 策，审慎投资。 一、股票交易异常波动的具体情况 公司股票于 2025 年 12 月 10 日、12 月 11 日、12 月 12 日连续三个交易日内 日收盘价格涨幅偏离值累计达到 20%，根据《上海证券交易所交易规则》的有关 规定，属于股票交易异常波动情况。 二、公司关注并核实的相关情况 债务重组、业务重组、资产剥离、资产注入 ...

Core Viewpoint - The company, Yongding Co., Ltd. (600105.SH), has been identified as a concept stock related to controllable nuclear fusion, but its actual involvement is limited to providing materials for magnetic coils used in fusion devices, which does not significantly impact its financial performance [1] Group 1: Company Operations - Yongding's subsidiary, Eastern Superconductor, specializes in second-generation high-temperature superconducting tapes and applications [1] - The revenue from controllable nuclear fusion-related activities accounted for less than 1% of the company's total revenue from January to September 2025, and this segment is currently operating at a loss [1] Group 2: Shareholder Activity - During the period of unusual stock trading volatility, Yongding Group, the controlling shareholder, reduced its stake by selling 1.336 million shares, representing 0.091% of the company's total share capital [1]

Core Viewpoint - The company, Yongding Co., Ltd. (600105.SH), has been identified as a concept stock related to controllable nuclear fusion, but its involvement is limited to providing materials for magnetic coils, not manufacturing fusion devices. The financial impact on the company is minimal, with related revenue accounting for less than 1% of total income and resulting in losses [1]. Group 1 - The company has a subsidiary, Eastern Superconducting Technology (Suzhou) Co., Ltd., which specializes in second-generation high-temperature superconducting tapes and applications [1]. - The revenue from the subsidiary related to controllable nuclear fusion is projected to be less than 1% of the company's overall revenue for the period from January to September 2025 [1]. - The subsidiary is not directly involved in the production of controllable nuclear fusion devices, indicating a limited operational scope in this emerging sector [1].

下面我们来看下今日龙虎榜情况： 高位股方面，龙洲股份8天7板，航天机电11天6板，中源家居7天5板，*ST铖昌6天5板，再升科技5连板，西部材 料、航天动力6天4板，博纳影业5天4板。 | 天力复合 30.00% | 航天环字 10.99% | 晶丰明源 20.00% 摩尔线图 -13.41% | 蒸灰型 16.84% 源市苏坝 -8.89% | 斯珊新材 17.58% 合规智能 4.95% | 航字科技 19.85% 病膏患团 -0.13% | 广道退 -21.09% 铜峰电子 10.04% | 大鹏工业 10.79% 再升科技 10.05% | | --- | --- | --- | --- | --- | --- | --- | --- | | 凤竹纺织 10.05% | | 梅雁吉祥 10.06% | 中国西电 10.06% | 赌城股份 0.62% | 永鼎股份 3.99% | 灿龄电力 11.29% | 精创电气 1.08% | | 沪市 - EE 2.45% | | 四川金顶 -4.00% | 永悦科技 -10.06% | 国圆科技 -10.01% | 舒伊体育 -10.02% | 用都物业 - ...

永鼎股份(600105)今日上涨3.99%，全天换手率25.66%，成交额78.90亿元，振幅12.12%。龙虎榜数据显 示，机构净买入1.10亿元，沪股通净卖出4.28亿元，营业部席位合计净卖出5596.21万元。 上交所公开信息显示，当日该股因日换手率达25.66%上榜，机构专用席位净买入1.10亿元，沪股通净卖 出4.28亿元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交24.18亿元，其中，买入成交额为10.22亿 元，卖出成交额为13.96亿元，合计净卖出3.75亿元。 具体来看，今日上榜的营业部中，共有1家机构专用席位现身，即买五，合计净买入1.10亿元，沪股通 为第一大买入营业部及第一大卖出营业部，买入金额为3.96亿元，卖出金额为8.25亿元，合计净卖出 4.28亿元。 | 买/ | 会员营业部名称 | 买入金额（万 | 卖出金额（万 | | --- | --- | --- | --- | | 卖 | | 元） | 元） | | 买一 | 沪股通专用 | 39648.77 | | | 买二 | 中信证券股份有限公司上海分公司 | 24443.37 | | | 买三 | 瑞银证券有 ...

昨日涨停的永鼎股份(600105.SZ)今日涨3.99%，股价续创历史新高，换手率25.66%，成交额78.9亿元。龙虎榜数据显示，沪股通买入3.96亿元，卖出8.25亿 元，净卖出4.28亿元；一家机构位列买五席位，买入1.1亿元。上榜席位全天买入10.22亿元，卖出13.96亿元，合计净卖出3.75亿元。(格隆汇) | 序号 | 交易营业部名称 | | 买入金额(万) | 占总成交比例 | | --- | --- | --- | --- | --- | | 1 | 沪股通专用 | 561次 46.35% 2 | | | | 2 | 中信证券股份有限公司上海分公司 | 301次 44.85% | | | | 3 | 瑞银证券有限责任公司上海花园石桥路证券营业部 | 391次 44.50% | | | | 4 | 中国国际金融股份有限公司上海分公司 | 132次 39.39% | | | | 5 | 高盛(中国)证券有限责任公司上海浦东新区世纪大道证券营业部 | 436次 38.99% | | | | | (买入前5名与卖出前5名)总合计: | | 102178.92 | 12.95% | | 买入金额最大的 ...

Market Overview - On December 12, 2025, A-shares experienced a collective decline, with the STAR 50 index leading the drop at 1.55%. The Shanghai Composite Index fell by 0.7% to 3873.32 points, while the Shenzhen Component Index decreased by 1.27% and the ChiNext Index dropped by 1.41%. A total of 752 stocks rose, while 4374 stocks fell, with a combined trading volume of 1.86 trillion yuan, an increase of approximately 78.6 billion yuan compared to the previous trading day [1]. Popular Stocks - The top ten popular stocks on December 12, 2025, included Aerospace Power, Snowman Group, Yonghui Superstores, Moer Thread-U, Galaxy Electronics, ZTE Corporation, Yongding Co., Annie Co., Zaiseng Technology, and Zhongchao Holdings [2]. Company Insights - Aerospace Power is benefiting from the rising interest in the commercial aerospace sector and its own business development. As a core liquid propulsion technology platform under the Aerospace Science and Technology Group, it is deeply involved in the development of scientific satellite propulsion systems and control engines for space exploration. The company has also successfully attracted six strategic investors, raising 300 million yuan to enhance its capabilities [3]. - Snowman Group is experiencing a boost from multiple trending concepts, including the winter economy and hydrogen energy. As a supplier of ice and snow equipment, it aligns with seasonal themes, while its involvement in cutting-edge concepts like controlled nuclear fusion adds to its appeal [3]. - Yonghui Superstores is actively pursuing transformation and upgrades amid operational pressures. The company is implementing innovative measures such as the "Fat Donglai" model store adjustments and is benefiting from the growth of the prepared food sector due to consumer upgrades and supportive retail policies. The significant operations by well-known speculative funds have also attracted market attention [3]. - Moer Thread-U, recognized as the "first domestic GPU stock," holds unique value due to its status as the first company in China to achieve mass production of full-function GPUs. Its business spans general-purpose GPUs and AI computing cards, and the absence of price limits in the first five trading days post-IPO has provided opportunities for speculative trading [3]. - Galaxy Electronics is positioned well within several hot market themes, including military information technology and satellite internet. The company is involved in bidding for the Geospace Aerospace capital increase project and benefits from being a supplier for multiple military branches, which enhances its business advantages [4]. - ZTE Corporation is driven by AI-related themes and is under scrutiny for compliance issues. The company is collaborating with ByteDance to develop AI smartphones, which has led to significant revenue growth in AI server-related businesses. Ongoing discussions with the U.S. Department of Justice regarding compliance investigations have also sparked market discussions [4]. - Yongding Co. is benefiting from industry tailwinds in superconductivity and controlled nuclear fusion. Recent announcements regarding Sino-French nuclear cooperation and breakthroughs in nickel-based superconductors have boosted sentiment in the sector. The company specializes in second-generation high-temperature superconducting materials and is involved in the mass production of optical modules and applications in controlled nuclear fusion [4]. - Annie Co. is influenced by changes in control and multiple thematic resonances. The company's controlling shareholder has changed to a firm focused on "industry intelligence and embodied intelligence," and it is involved in popular themes such as data elements and intellectual property protection. As a stock linked to the Fujian Free Trade Zone and cross-strait concepts, it forms a synergistic effect with data security and intellectual property sectors [4].

Core Insights - The news highlights the significant advancements and competitive advantages of various companies in the nuclear fusion materials and technology sector, emphasizing their roles in the ITER project and domestic fusion initiatives. Company Summaries - **West Superconducting (688122)**: As a leading player in low-temperature superconducting materials, the company is the sole domestic supplier for ITER's low-temperature superconducting wire, with its products being critical for fusion device superconducting magnets. The company has achieved international standards in key performance metrics and has established a comprehensive production chain, positioning itself to benefit from the growing demand for superconducting materials as fusion projects accelerate [1][23]. - **Lianchuang Optoelectronics (600363)**: The company focuses on high-temperature superconducting technology, being the only domestic entity capable of designing and manufacturing large-diameter high-temperature superconducting magnets. It has successfully applied its technology in the "Spark One" project and aims to capture high-end market share as high-temperature superconducting technology expands in the fusion sector [2][24]. - **Antai Technology (000969)**: A leader in core materials for nuclear fusion components, the company supplies critical materials for ITER's first wall and blanket modules. Its advanced tungsten-copper composite components meet international standards, and it has a strong foothold in the supply chain for fusion experiments, poised to benefit from increased orders as fusion projects ramp up [3][25]. - **Guoguang Electric (688776)**: The company is a key supplier for plasma control and core components in fusion devices, holding a 60% market share for ITER's divertor. It has secured significant contracts, including an 18 billion yuan package for the CFETR project, indicating strong demand for its products as global fusion construction progresses [4][27]. - **Yongding Co., Ltd. (600105)**: The company specializes in high-temperature superconducting tape, with a projected 80% revenue growth in its superconducting business for 2024. It is involved in the development of superconducting magnets for fusion reactors, leveraging its parent company's resources to create a comprehensive industrial layout [5][28]. - **Xiamen Tungsten (600549)**: The company holds a monopoly in tungsten-based materials for nuclear fusion, being the only supplier with full-process certification for ITER's tungsten-copper divertor components. It is expanding its production capacity to meet growing demand as fusion engineering progresses [6][29]. - **Baosheng Co., Ltd. (600973)**: A leader in special cables for nuclear fusion, the company has secured all cable orders for the "Chinese Circulator No. 3" project, amounting to 5.2 billion yuan. Its products meet international standards, and it is positioned to benefit from the increasing demand for specialized cables in fusion projects [7][30]. - **Guangda Special Materials (688186)**: The company has developed materials for superconducting coil armor, achieving batch production and securing significant orders. Its products are critical for fusion devices, and it is well-positioned to benefit from the growing demand as fusion projects expand [8][31]. - **Hongxun Technology (603015)**: Through its subsidiary in Italy, the company supplies high-precision power systems for ITER, which are essential for plasma control. As domestic fusion projects accelerate, the demand for its power systems is expected to grow significantly [9][32]. - **Wangzi New Materials (002735)**: The company focuses on special capacitors for fusion pulse power systems, being the only domestic supplier certified by ITER. Its products are crucial for plasma heating and confinement, and it is expected to see increased demand as fusion projects move towards commercialization [10][33]. - **Jiusheng Electric (301082)**: A niche leader in special cables for nuclear fusion, the company has a market share exceeding 40% in nuclear power special cables. Its products are already in use in ITER, and it is well-positioned to benefit from the growing demand for specialized cables in fusion applications [11][34]. - **Hedong Intelligent (603011)**: The company is a key player in manufacturing core structural components for fusion, focusing on vacuum chambers. It has secured significant contracts and is expected to benefit from the increasing demand for large structural components as fusion projects advance [12][35]. - **Zhongzhou Special Materials (300963)**: The company specializes in high-temperature and corrosion-resistant materials for fusion applications, supplying critical components for major fusion projects. Its products are expected to see increased demand as fusion engineering progresses [13][37]. - **China Nuclear Construction (601611)**: As a core member of the "national team," the company plays a leading role in the construction of fusion projects, leveraging its extensive experience in nuclear engineering to meet complex project demands [14][38]. - **China Nuclear Power (601985)**: The company is positioned as a long-term beneficiary of the nuclear fusion industry, actively participating in major fusion projects and leveraging its expertise in nuclear power operations to support the commercialization of fusion energy [15][39]. - **Hancable Co., Ltd. (002498)**: The company is a significant player in special and superconducting cables for fusion, with a focus on meeting the extreme conditions of fusion environments. It is expected to capture a substantial market share as demand for specialized cables grows [16][40]. - **Wol Nuclear Materials (002130)**: The company focuses on insulation materials and special components for fusion, leveraging its expertise in nuclear-grade materials to meet the stringent requirements of fusion applications [17][41]. - **Dongfang Tantalum (000962)**: The company is a hidden champion in core materials for nuclear fusion, holding a dominant market position in beryllium materials and superconducting niobium. It is expected to benefit significantly from the upcoming surge in fusion project orders [18][43]. - **Nuiwei Co., Ltd. (603699)**: The company is a core player in the nuclear fusion valve market, holding over 80% market share. It has secured significant contracts for ITER and is expanding its international presence, positioning itself for substantial growth as global fusion projects accelerate [19][20]. - **Hailu Heavy Industry (002255)**: The company is a leading supplier of core structural components and vacuum systems for fusion, with significant contracts in place for ITER and domestic projects. It is well-positioned to benefit from the growing demand for these critical components as fusion engineering progresses [21][42].

Core Viewpoint - The A-share market experienced a collective pullback, with major indices declining, while the new energy sector, particularly wind power and controlled nuclear fusion, showed strong performance [1] Market Performance - The Shanghai Composite Index fell by 0.7% - The Shenzhen Component Index decreased by 1.27% - The ChiNext Index dropped by 1.41% - The North Stock 50 Index increased by 3.84% - Total market turnover was approximately 1.88 trillion yuan, with nearly 4,400 stocks declining [1] Sector Highlights - New energy concept stocks were active, with the wind power equipment sector leading in gains - Companies such as Goldwind Technology (002202), Tianli Composite, Yongding Co. (600105), and Hezhu Intelligent (603011) reached their daily limit up [1] Industry Insights - According to Everbright Securities, fusion energy is regarded as "the ultimate energy for humanity" and holds significant strategic value - Major AI companies are increasingly investing in fusion energy - The controlled nuclear fusion industry is expected to have long-term growth potential due to the restructuring of electricity consumption driven by future AI industry developments - As the controlled nuclear fusion industry progresses, related companies are likely to continue benefiting [1]

Core Viewpoint - The nuclear energy industry is experiencing significant positive developments, with major projects like the successful grid connection of the "Hualong One" nuclear power unit and advancements in thorium-based molten salt reactors, indicating a promising future for the sector [3][4]. Group 1: Company Performance - Yongding Co., Ltd. has seen its stock price surge nearly 280% year-to-date and approximately 450% over the past 15 months, driven by the positive sentiment in the nuclear energy sector [4]. - Despite the stock price increase, the controlling shareholder, Yongding Group, has been reducing its stake, selling 3.0165 million shares for over 48 million yuan, raising concerns about the company's ability to sustain its high market valuation [6][10]. - In the first three quarters of 2025, Yongding reported revenue of 3.63 billion yuan, a year-on-year increase of 22.1%, breaking a long stagnation in revenue growth [10]. Group 2: Profitability Analysis - The company's net profit for the same period reached 330 million yuan, a staggering increase of 474.3%, with the non-recurring net profit soaring by 613.7%, suggesting a one-year profit equivalent to seven years [8][10]. - However, the majority of this profit (96.66%) stemmed from investment income, primarily from real estate ventures, raising questions about the sustainability of its core business [10][11]. - Excluding investment income, the company's remaining profit was only 11 million yuan, down from 31 million yuan the previous year, indicating a decline in operational performance [11][12]. Group 3: Business Segments - Yongding's main business lines include optical communication and power transmission, with automotive wiring harnesses being the largest revenue source, projected to generate 1.206 billion yuan in 2024, accounting for nearly 30% of total revenue [26]. - The power engineering segment, which is heavily reliant on overseas projects, is expected to generate 1.041 billion yuan in 2024, but its profitability is unstable due to project dependency [33]. - The high-temperature superconducting wire segment, while seen as having significant potential, has underperformed compared to peers, with revenue of only 586 million yuan in 2024, representing 14.24% of total revenue [38]. Group 4: Market Position and Challenges - The optical communication business, despite the industry's growth, has seen a revenue decline of 7.8% to 428 million yuan in the first half of 2025, failing to capitalize on the overall market expansion [51]. - The company faces significant competition in the high-temperature superconducting market, with its performance lagging behind competitors like Western Superconducting, which reported a net profit of 546 million yuan in the same period [42][44]. - Overall, Yongding's narrative reflects a company that has been buoyed by market trends but lacks substantial operational performance to justify its stock price, raising concerns about its long-term viability [53][54].