【导读】A股多个重要指数迎重大调整 中国基金报记者 莫琳 12月15日（周一），深证成指、创业板指等指数的样本定期调整将正式实施。 根据深圳证券交易所及深圳证券信息有限公司公告，深证成指更换17只样本股，创业板指更 换8只样本股，深证100更换7只样本股，创业板50更换5只样本股。 "新质生产力"成主线 市场人士认为，追踪这些指数的庞大被动资金（包括各类ETF），将会按照新的成 份 股进行 配置。这意味着，所有调入名单上的公司，将在短期内迎来实实在在的增量买盘，而调出公 司则面临被动卖压。 深交所在公告中提到，本次调整后，创业板指战略性新兴产业权重占比 为 93%，新一期样本 公司前三季度研发费用同比增速为13%，研发费用占营业收入 的 比重为5%，其中30家公司 研发强度超10%。深证100新质蓝筹属性更加突出，战略性新兴产业权重提升至81%，先进 制造、数字经济、绿色低碳等重点领域权重提升至79%。创业板50战略性新兴产业权重达 98%，其中以人工智能、芯片、光模块等为代表的新一代信息技术产业占比达45%。 其中，深证成指将调入德明利、沃尔核材、拓维信息、四方精创等，调出国药一致、中国天 楹、海德股份、洽 ...

Group 1 - The core adjustment of various indices, including the Shanghai 50, STAR 50, and CSI A50, will take effect after the market closes on December 12, with further adjustments for the Shenzhen Component Index and ChiNext Index on December 15 [1] - The Shanghai 50 Index will replace 4 samples, the Shanghai 180 Index will replace 7 samples, the Shanghai 380 Index will replace 38 samples, and the CSI 500 Index will replace 50 samples among others [1] - New additions to the Shanghai 50 Index include SAIC Motor, Northern Rare Earth, Huadian New Energy, and Zhongke Shuguang [1] Group 2 - The Shenzhen Component Index will add Demingli, Wolong Nuclear Material, Tuowei Information, and Sifang Chuangxin, while removing China National Pharmaceutical, China Tianying, Haide Shares, and Qiaqia Food [2] - The ChiNext Index will add Shuanglin Shares, Changshan Pharmaceutical, Fulian Precision, and Changxin Bochuang, while removing Biyuan, Yihualu, and Tianhua New Energy [3] Group 3 - The Shenzhen 100 Index will add Cangge Mining, Guohuo Aviation, and Dongshan Precision, while removing Tianshan Shares, Shanxi Coking Coal, and Jingao Technology [4] - The ChiNext 50 Index will add Changshan Pharmaceutical, Feiliwa, and Changxin Bochuang, while removing Terui De, Mango Super Media, and Guanghong Technology [5] Group 4 - The adjustments are part of a regular periodic update, enhancing the representation of emerging industry leaders and increasing the technology attributes of the indices [6] - After the adjustments, the strategic emerging industry weight in the ChiNext Index will reach 93%, with a 13% year-on-year growth in R&D expenses for the new sample companies [6] - The weight of strategic emerging industries in the ChiNext 50 Index will reach 98%, with new generation information technology industries, including AI and chips, accounting for 45% [6]

Core Viewpoint - The Shenzhen Stock Exchange indices will undergo sample adjustments effective from December 15, with significant changes in the constituent stocks of various indices [1] Group 1: Index Adjustments - The Shenzhen Component Index will replace 17 constituent stocks, including 7 from the main board and 10 from the ChiNext [1] - The ChiNext Index will replace 8 constituent stocks [1] - The Shenzhen 100 Index will replace 7 constituent stocks, with 4 from the main board and 3 from the ChiNext [1] - The ChiNext 50 Index will replace 5 constituent stocks [1] Group 2: New Additions - New additions to the Shenzhen Component Index include Demingli, Wolong Nuclear Material, and Tuowei Information [1] - New additions to the ChiNext Index include Shuanglin Shares, Changshan Pharmaceutical, and Fulmin Precision [1] - New additions to the Shenzhen 100 Index include Cangge Mining, Guohuo Aviation, and Dongshan Precision [1] - New additions to the ChiNext 50 Index include Changshan Pharmaceutical, Feilihua, and Xiechuang Data [1]

Core Viewpoint - The Shenzhen Stock Exchange indices will undergo sample adjustments effective from December 15, with significant changes in the constituent stocks of various indices [1] Group 1: Index Adjustments - The Shenzhen Component Index will replace 17 constituent stocks, adding 7 from the main board and 10 from the ChiNext [1] - The ChiNext Index will replace 8 constituent stocks [1] - The Shenzhen 100 Index will replace 7 constituent stocks, with 4 from the main board and 3 from the ChiNext [1] - The ChiNext 50 Index will replace 5 constituent stocks [1] Group 2: New Additions - New additions to the Shenzhen Component Index include Demingli, Wolong Nuclear Material, and Tuo Wei Information [1] - New additions to the ChiNext Index include Shuanglin Shares, Changshan Pharmaceutical, and Fulian Precision [1] - New additions to the Shenzhen 100 Index include Cangge Mining, Guohuo Aviation, and Dongshan Precision [1] - New additions to the ChiNext 50 Index include Changshan Pharmaceutical, Feilihua, and Xiechuang Data [1]

Core Viewpoint - The company is increasing its R&D investment and capacity layout to align with the development needs of its various business segments and to seize industry development opportunities, while currently having no plans for share repurchase to prioritize funding for production and operational activities [1] Group 1 - The company is enhancing R&D investment to match the needs of its business segments [1] - The company is focusing on capacity layout to capitalize on industry development opportunities [1] - The company has no current plans for share repurchase to prioritize operational funding [1]

Core Viewpoint - The company,沃尔核材, is experiencing significant growth in its high-speed communication cable and new energy vehicle sectors, driven by increasing demand in global data centers, artificial intelligence, and high-performance computing applications. The company is also preparing for a Hong Kong stock issuance. Group 1: High-Speed Communication Cable Business - The company has a leading position in key equipment reserves for high-speed communication cables, backed by decades of experience in product development and process control [2][9] - In the first three quarters of 2025, the company's revenue from high-speed communication cables grew rapidly due to strong demand from downstream applications [3][10] - The company maintains a good overall gross profit margin for its high-speed communication cables, ensuring strong profitability [4][10] Group 2: New Energy Vehicle Business - The new energy vehicle segment has shown a compound annual growth rate of over 30% in the past three years, with the company ranking first in revenue for DC charging guns in 2024 [5][11] - The company is enhancing its market competitiveness by localizing core components and establishing a complete production line for niche products [11] - The company is expanding its international market presence by improving its product offerings to meet European and American standards and forming an overseas sales team [11] Group 3: Overall Business Strategy and Performance - The company has been in the new materials industry for nearly 30 years, leveraging its technological advantages and solid foundational capabilities to create a comprehensive competitive edge [6][12] - Future strategies include enhancing operational efficiency through refined management and empowering high-quality business development via intelligent construction [6][12] - The company reported a main revenue of 6.082 billion yuan in the first three quarters of 2025, a year-on-year increase of 26.17%, with a net profit of 822 million yuan, up 25.45% [7][13] Group 4: Hong Kong Stock Issuance - The company received approval from the China Securities Regulatory Commission for its Hong Kong stock issuance on December 9, 2025, and is actively promoting the related listing work [7][13]

Core Viewpoint - The company has achieved mass production of high-speed communication cables, which are primarily used in data center applications [1]. Group 1 - The high-speed communication products include single-channel 224G/s, multi-channel 400G/s, multi-channel 800G/s, and PCIE series [1]. - The company has not yet established a subsidiary in Hainan [1]. Group 2 - An investor inquired about the classification of the company's copper cable high-speed connection products, specifically which are suitable for AI data centers and which are for regular data centers [3].

Company Overview -沃尔核材 (SZ 002130) announced that it will accept investor research on December 11, 2025, with participation from the company’s board secretary and securities affairs representative [1] Financial Performance - For the first half of 2025, the revenue composition of沃尔核材 was as follows: electronic communication accounted for 67.58%, while new energy power represented 32.42% [1] - As of the report date, the market capitalization of沃尔核材 is 33.9 billion yuan [1]

Group 1: High-Speed Communication Cable Business - The company has experienced rapid revenue growth in high-speed communication cables, benefiting from the increasing demand from global data centers, AI, and high-performance computing applications. The revenue for the first three quarters of 2025 showed significant growth [3] - The company’s high-speed communication cables possess advantages such as excellent high-frequency performance, bend resistance, low cost, high reliability, and a complete industrial chain, indicating a broadening market space due to technological advancements and application expansion [3] - The overall gross margin for high-speed communication cables is favorable, reflecting strong profitability [4] Group 2: New Energy Vehicle Products - The new energy vehicle product line has maintained a compound annual growth rate (CAGR) of over 30% over the past three years, with the company ranking first in revenue for DC charging guns in the domestic industry for 2024 [5] - The company has enhanced its market competitiveness in the new energy vehicle sector through self-manufacturing of core components and key materials, establishing a complete production line for segmented products [5] - The company is actively expanding its international market presence by improving its product offerings to meet European and American standards and forming an overseas sales team [6] Group 3: Future Growth Strategies - The company aims to maintain sustainable growth by leveraging its nearly 30 years of experience in the new materials industry, focusing on technology-driven and market-oriented strategies [6] - Continuous improvement in operational efficiency through refined management and smart construction is planned to enhance core competitiveness and ensure steady business growth [6] Group 4: Hong Kong Stock Project - The company received a notice from the China Securities Regulatory Commission regarding the overseas issuance and listing, indicating that the Hong Kong stock project has been filed and is progressing actively [6]

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].