Market Performance - The other electronic sector increased by 0.57% on January 9, with Hao Li Technology leading the gains [1] - The Shanghai Composite Index closed at 4120.43, up 0.92%, while the Shenzhen Component Index closed at 14120.15, up 1.15% [1] Top Gainers - Hao Li Technology (002729) closed at 17.94, up 9.99% with a trading volume of 133,000 shares and a turnover of 234 million yuan [1] - Han Shuo Technology (301275) closed at 58.56, up 7.94% with a trading volume of 68,800 shares and a turnover of 394 million yuan [1] - Xu Guang Electronics (600353) closed at 18.62, up 5.08% with a trading volume of 746,000 shares and a turnover of 1.354 billion yuan [1] Other Notable Stocks - Runxin Technology (300493) closed at 21.96, up 4.82% with a trading volume of 481,500 shares and a turnover of 1.039 billion yuan [1] - Wei Feng Electronics (301328) closed at 50.16, up 3.81% with a trading volume of 34,500 shares and a turnover of 171 million yuan [1] Market Capital Flow - The other electronic sector experienced a net outflow of 200 million yuan from institutional investors and 150 million yuan from retail investors, while retail investors had a net inflow of 350 million yuan [2] - The detailed capital flow for individual stocks shows varying levels of net inflow and outflow among different companies [3] Individual Stock Capital Flow - Xu Guang Electronics had a net inflow of 149 million yuan from institutional investors, while it faced a net outflow of 53.176 million yuan from retail investors [3] - Hao Li Technology saw a net inflow of 81.847 million yuan from institutional investors, but a net outflow of 39.637 million yuan from retail investors [3]

Group 1 - The company has approved a total of 101.74 million yuan in external guarantees, with actual occurrences amounting to 43.71641 million yuan, all of which are guarantees for its controlling subsidiaries [2] - There are no overdue guarantees reported by the company [2]

Group 1 - Company沃尔核材 (002130) is a leading domestic high polymer nuclear radiation modified material enterprise, focusing on the research and supply of insulation and protection materials for fusion devices, with core products including radiation-resistant heat shrink tubing and high-temperature insulation sleeves [1][35] - The radiation-resistant heat shrink tubing is made from specially modified polymer materials, capable of withstanding strong radiation and high-temperature environments within fusion devices, used for insulating superconducting magnet coils and signal cables [1][35] - The high-temperature insulation sleeves developed by the company can withstand temperatures above 200℃, meeting the insulation needs of cables inside the fusion reactor vacuum chamber, and possess excellent corrosion resistance and aging resistance [1][35] Group 2 - Company宝胜股份 (600973) is a leading domestic wire and cable enterprise, focusing on the research and manufacturing of special cables for fusion devices, with core products including radiation-resistant low-smoke halogen-free cables and low-temperature superconducting cable accessories [2][36] - The radiation-resistant cables utilize cross-linked polyethylene insulation materials with added radiation stabilizers, capable of long-term stable operation in radiation doses of 10^6 Gy, already applied in the power distribution system of fusion experimental devices [2][36] - The company is also developing control cables specifically for fusion reactors, optimizing the cable shielding structure to enhance electromagnetic interference resistance, ensuring stable transmission of control signals [2][36] Group 3 - Company西部超导 (688122) is a leading domestic high-end titanium alloy and superconducting materials enterprise, focusing on the research of titanium alloy structural materials and superconducting strip substrates for superconducting magnets in fusion devices [3][37] - The high-strength and high-toughness titanium alloy produced by the company is a core material for the support frame of superconducting magnets, capable of withstanding the enormous electromagnetic forces generated during magnet excitation [3][37] - The company is also developing seamless titanium alloy pipes that are resistant to high pressure and corrosion, used for medium transmission in the cooling system of fusion reactors, becoming an important supplier in the nuclear fusion materials field [3][37] Group 4 - Company钢研高纳 (300034) is a leading domestic high-temperature alloy enterprise, focusing on the research of high-temperature alloy materials for core components of fusion reactors, with core products including nickel-based high-temperature alloys and refractory metal alloys [4][38] - The nickel-based high-temperature alloys developed by the company can withstand temperatures above 1200℃ and possess excellent radiation swelling resistance, suitable for components like the first wall and divertor in fusion reactors [4][38] - The company collaborates with research institutions to conduct research on surface coating technology for high-temperature alloys, enhancing the materials' high-temperature and corrosion resistance [4][38] Group 5 - Company中密控股 (300470) is a leading domestic mechanical sealing enterprise, focusing on the research and manufacturing of sealing components for fluid systems in fusion devices, with core products including high-temperature mechanical seals and vacuum seals [5][39] - The high-temperature mechanical seals can withstand high-temperature and high-pressure media in the cooling system of fusion reactors, with zero leakage sealing performance, already applied in the main circulation pump sealing system of fusion experimental devices [5][39] - The company is also developing dynamic sealing components for fusion devices, addressing sealing challenges for rotating components in fusion reactors [5][39] Group 6 - Company中泰股份 (300435) is a leading domestic deep cooling technology equipment enterprise, focusing on the research and manufacturing of low-temperature refrigeration systems for fusion devices, with core products including large liquid nitrogen refrigeration units and liquid helium temperature refrigeration equipment [6][40] - The large liquid nitrogen refrigeration units can provide a low-temperature cold source of -196℃, supporting the primary cooling of superconducting magnets [6][40] - The company is also developing integrated technology for low-temperature systems in fusion reactors, providing a comprehensive solution of "refrigeration equipment + low-temperature pipelines + insulation systems" [6][40] Group 7 - Company汉钟精机 (002158) is a leading domestic screw compressor enterprise, focusing on the research and manufacturing of vacuum pumps for the vacuum systems of fusion devices, with core products including dry screw vacuum pumps and Roots vacuum pumps [7][42] - The dry screw vacuum pumps can reduce the pressure in the vacuum chamber to 10^-5 Pa, featuring radiation resistance and low vibration, preventing oil vapor contamination in the vacuum environment [7][42] - The company is also optimizing the rotor structure design of vacuum pumps to enhance fatigue resistance and extend the service life in extreme environments of fusion devices [7][42] Group 8 - Company中科三环 (000970) is a leading domestic rare earth permanent magnet materials enterprise, focusing on the research of permanent magnet materials for the magnet systems of fusion devices, with core products including high-performance NdFeB permanent magnets [8][43] - The high coercivity NdFeB permanent magnets produced by the company have excellent magnetic performance and temperature stability, used in auxiliary magnet systems for fusion devices [8][43] - The company is also developing radiation-resistant NdFeB permanent magnets, optimizing the composition by adding niobium and dysprosium to reduce the impact of radiation on magnetic performance [8][43] Group 9 - Company安泰环境 (300179) is a leading domestic high-end environmental and energy chemical equipment enterprise, focusing on the research of gas purification and treatment systems for fusion devices, with core products including high-purity gas purifiers and waste gas treatment devices [9][44] - The gas purifiers can enhance the purity of deuterium-tritium gas to 99.9999%, removing impurities such as oxygen and moisture, ensuring efficient fusion reactions [9][44] - The company is also developing equipment for the recovery and reuse of deuterium-tritium gas, improving fuel utilization rates in fusion reactors [9][44] Group 10 - Company万华化学 (600309) is a leading domestic chemical new materials enterprise, focusing on the research and supply of high-performance polymer materials for fusion devices, with core products including radiation-resistant polyimide films and high-temperature fluoroplastics [10][45] - The radiation-resistant polyimide films have excellent insulation and radiation resistance, used for the insulation layer of superconducting magnets, preventing short circuits in magnet coils [10][45] - The company is also developing high-sealing, radiation-resistant silicone sealants for fusion devices, ensuring the sealing performance of various components [10][45] Group 11 - Company中核科技 (000777) is a leading domestic nuclear-grade valve enterprise, focusing on the research and manufacturing of special nuclear-grade valves for fusion devices, with core products including nuclear-grade shut-off valves, safety valves, and vacuum isolation valves [11][46] - The nuclear-grade shut-off valves are designed to withstand high temperatures, high pressures, and strong radiation, ensuring safe operation in fusion reactors [11][46] - The company is also developing vacuum isolation valves with a sealing vacuum degree of 10^-6 Pa, isolating the vacuum chamber of fusion reactors from external systems [11][46] Group 12 - Company海陆重工 (002255) is a leading domestic industrial furnace and nuclear power equipment enterprise, focusing on the research and manufacturing of heat treatment equipment for high-temperature components in fusion devices, with core products including vacuum heat treatment furnaces and high-temperature sintering furnaces [12][47] - The vacuum heat treatment furnaces can operate in a vacuum environment of 10^-3 Pa, enhancing the density and mechanical strength of components [12][47] - The company is also developing customized heat treatment solutions for fusion device components, optimizing their performance [12][47] Group 13 - Company盾安环境 (002011) is a leading domestic refrigeration and air conditioning equipment enterprise, focusing on the research and manufacturing of temperature control systems for fusion devices, with core products including high-precision constant temperature control systems and low-temperature cooling units [13][48] - The high-precision constant temperature control systems can maintain a temperature accuracy of ±0.1℃, ensuring stable operation of electronic devices in fusion reactors [13][48] - The company is also developing integrated temperature control systems for fusion devices, providing a comprehensive solution of "cooling equipment + temperature sensors + control systems" [13][48] Group 14 - Company抚顺特钢 (600399) is a leading domestic special steel enterprise, focusing on the research and supply of special alloy steels for fusion devices, with core products including martensitic stainless steel and precipitation-hardened stainless steel [14][49] - The martensitic stainless steel produced by the company has high strength and corrosion resistance, suitable for the shell manufacturing of vacuum chambers in fusion reactors [14][49] - The company is also conducting research on the radiation resistance of steel used in fusion devices, optimizing compositions by adding rare earth elements [14][49] Group 15 - Company东华科技 (002140) is a leading domestic engineering design and general contracting enterprise, focusing on the engineering design and system integration of fusion devices, providing full-chain services from process design to construction installation [15][50] - The company has participated in multiple engineering design projects for domestic fusion experimental devices, optimizing the layout design of vacuum chambers, cooling systems, and power systems [15][50] - The company is also developing technical reserves for the engineering design of commercial fusion power plants, supporting future construction [15][50]

Core Insights - The company conducted an investor meeting on January 8, 2026, with participation from four institutions, focusing on core equipment progress, capacity layout, technological advantages, and project advancement [1] Group 1: Equipment and Production Capacity - The company has successfully put into operation 16 imported foaming extrusion machines since 2025, with remaining equipment delayed due to shipping issues [2] - The core equipment for high-speed communication lines is versatile and can be used across different products, allowing for flexible capacity adjustments based on market demand [2] Group 2: Competitive Advantages - The company's competitive edge in high-speed communication lines is driven by three factors: leading technology capabilities, large-scale production ensuring stable delivery, and long-term partnerships with top-tier clients [2] Group 3: Product Development and Market Response - The company has completed the development of a single-channel 448G high-speed communication line sample, which is currently under validation by key clients [2] - The impact of rising copper prices on gross margins is mitigated through a pricing mechanism that adjusts product prices in line with copper price fluctuations [2] Group 4: Expansion Plans - The company plans to establish three new production bases domestically and internationally, focusing on high-speed communication lines and electronic materials, with capacity planning based on market conditions and customer demand [2] - Progress has been made on the company's Hong Kong stock issuance, with the China Securities Regulatory Commission issuing a notice for overseas listing on December 9, 2025 [2]

Group 1: Company Overview and Operations - The company has received 16 imported foaming core extrusion machines since 2025, with delays in the arrival of other equipment due to shipping issues [2] - The production lines for high-speed communication cables are versatile and can switch between different products, allowing for dynamic capacity optimization based on market demand [3] Group 2: Competitive Advantages - The company’s advantages in the high-speed communication cable sector include technical expertise, large-scale production capabilities, and strong partnerships with key clients [4] - The subsidiary, Letin Intelligent, has decades of experience in product development and process control, positioning the company as a leader in technology within the industry [4] Group 3: Product Development and Market Strategy - The company has developed a single-channel 448G high-speed communication cable sample, which is currently being validated by key clients [5] - The impact of rising copper prices on the gross margin of high-speed communication cable products is minimal due to strategic procurement and the relatively low proportion of copper in the overall material costs [6] Group 4: Future Expansion Plans - The company plans to establish three new production bases focused on communication cables and electronic materials, with a particular emphasis on high-speed communication cables due to their rapid growth [6] - The company has received regulatory approval for its Hong Kong stock issuance project, with all related activities progressing as planned [6]

Core Viewpoint - The company is a key supplier of high-speed communication cables, recognized by leading clients in the connector industry, and is actively delivering products to major server manufacturers [1] Group 1: Company Position - The company operates upstream in the supply chain of high-speed communication cables [1] - It is currently the main supplier of single-channel 224G high-speed cables [1] - The company has completed the development of single-channel 448G high-speed cable samples, which are currently being validated by key clients [1]

证券代码：002130 证券简称：沃尔核材 公告编号：2026-002 深圳市沃尔核材股份有限公司 关于为控股子公司提供担保的进展公告 本公司及董事会全体成员保证公告内容的真实、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 深圳市沃尔核材股份有限公司（以下简称"公司"）于2025年9月22日召开 的第七届董事会第三十二次会议审议通过了《关于为控股子公司提供担保的议 案》，公司拟为控股子公司深圳市沃尔新能源电气科技股份有限公司（以下简称 "沃尔新能源"）向银行申请授信额度提供总额度不超过人民币25,000万元的担 保。具体授信银行、担保金额、担保期限根据签订的担保合同为准。上述担保额 度的合同签署有效期自董事会审议通过之日起12个月内有效。 2025年9月30日，公司披露了《关于为控股子公司提供担保的进展公告》（公 告编号：2025-068），公司就控股子公司沃尔新能源与银行的授信业务签署了《最 高额保证合同》，被担保最高债权本金为人民币10,000万元。 2025年11月15日，公司披露了《关于为控股子公司提供担保的进展公告》（公 告编号：2025-074），公司就控股子公司沃尔新能源 ...

Group 1 - The company has received 16 imported foam core extrusion machines since 2025, with the remaining equipment delayed due to shipping times [1] - The company is actively following up on the delayed equipment and plans to match market demand once the machines are delivered and tested [1] - An investor inquired about the company's market performance and production expansion plans, specifically regarding the operation of foam machines during the New Year period [3] Group 2 - The company aims to increase production and sales of high-speed copper cables, indicating a focus on expanding its manufacturing capabilities [3]

Core Viewpoint - Nvidia's CEO Jensen Huang announced the launch of the Rubin rack at the CES event, which is expected to achieve mass production in the second half of the year, highlighting significant performance improvements over the GB300 rack [1] Group 1: Company Developments - Nvidia's Rubin rack features a substantial reduction in the number of copper cables, with 5,000 cables connecting at a new speed of 224G, indicating a comprehensive upgrade in connectivity [1] - The company is inquiring whether upstream customers have completed the validation and trial production of the copper cables used in the Rubin rack [1] Group 2: Industry Position - Wolong Materials (002130.SZ) confirmed its position as a major supplier of single-channel 224G high-speed communication lines, recognized by leading clients in the industry [1] - The company has completed the development of samples for single-channel 448G high-speed communication lines, which are currently being validated by key customers [1]

Core Viewpoint - The high-speed copper cable market is experiencing rapid expansion driven by the increasing demand for high data rates and low latency transmission, particularly in AI servers and data centers, with significant growth projected through 2026 [1][7]. High-Speed Copper Cable Industry Definition and Classification - High-speed copper cables utilize copper as a conductor to achieve ultra-high data rates (e.g., 400Gbps, 800Gbps, and 1.6Tbps) over short distances (typically less than 10 meters) [1][2]. - The industry is categorized into three main types: passive copper cables (DAC), active copper cables (ACC), and active electrical cables (AEC), with AEC showing greater potential for AI applications due to enhanced signal quality and longer transmission distances [2]. High-Speed Copper Cable Industry Development Status - The global high-speed communication cable market is expected to reach approximately $400 million by 2025, with the high-speed copper cable segment accounting for $190 million (47.5%) [1][7]. - By 2026, the market is projected to grow to $580 million, with high-speed copper cables estimated at $270 million (46.55%) [1][7]. High-Speed Copper Cable Industry Supply Chain - The upstream supply chain includes raw materials such as copper, plating materials, and insulation materials, while the midstream consists of manufacturers of high-speed copper cables, and the downstream involves connector manufacturers serving various applications [8]. High-Speed Copper Cable Industry Development Environment - Related Policies - The rapid development of digital communication and digitization has led to strong demand for high-speed copper cables, supported by government policies aimed at technological upgrades and market expansion [8]. High-Speed Copper Cable Industry Competitive Landscape - The global high-speed copper cable market is highly concentrated, with the top five companies holding 86.8% of the market share [11]. - Major domestic players include Zhaolong Interconnect, Xinya Electronics, and Wolong Materials, with Wolong Materials holding a 24.9% market share, ranking second globally [11][12]. High-Speed Copper Cable Industry Development Trends - The demand for high-speed copper cables is expected to grow due to the rise of cloud computing, big data, and AI technologies, necessitating higher capacity and reliability in data transmission [14]. - Technological innovation will drive the industry forward, with domestic companies increasing R&D investments to enhance cable performance and potentially lead in the global market [14].