证券之星消息，中密控股(300470)01月13日在投资者关系平台上答复投资者关心的问题。 投资者提问：在贵公司发布的2024年ESG/社会责任报告中，关注到"员工福利体系"中有一项名为"工会 医疗互助险"想请公司补充说明1、保障范围：该"工会医疗互助险"主要覆盖哪些风险？（例如：是否包 括住院医疗费用二次报销、重大疾病定额给付、意外伤害补助等？）2、覆盖水平。 中密控股回复：投资者你好，"工会医疗互助险"是由中国职工保险互助会成都办事处主办的面向单位在 职职工的互助保障活动，包括住院医疗综合互助保障、重大疾病互助保障、意外伤害互助保障、女职工 特殊疾病互助保障四项保障计划。公司工会通过OA办公系统、工会小组群等方式在公司范围内发布参 保通知，告知员工在规定时间内自愿登记并购买，员工在公司工会登记后，由公司工会统一在武侯区总 工会办理参保手续。 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 ...

Core Viewpoint - The company, Zhongmi Holdings, reported stable orders for nuclear power sealing products in 2025, with slow market expansion for nuclear main pump seals, while maintaining a high market share in mechanical seals for nuclear secondary and tertiary pumps as well as conventional island pumps [1] Group 1 - The company indicated that the market expansion progress for nuclear main pump seals is slow [1] - The company maintains a high market share in the mechanical seal market for nuclear secondary and tertiary pumps and conventional island pumps [1] - The incremental market business in the nuclear power sector, which the company has been developing for years, has started to generate demand for existing business [1] Group 2 - Research and development related to nuclear power sealing products is proceeding normally [1]

Group 1 - The core viewpoint of the article is that Zhongmi Holdings (300470) has successfully applied its high-speed mechanical seal products in the commercial aerospace sector, specifically for sealing propellant media in liquid rocket engine applications [1] Group 2 - The company's products are now utilized in the aerospace industry, indicating a diversification of its application beyond traditional markets [1] - This development highlights the potential for growth and innovation within the company's product offerings, aligning with trends in the commercial space industry [1] - The interaction with investors on the platform suggests a proactive approach to communication and transparency regarding the company's advancements [1]

格隆汇1月13日丨中密控股(300470.SZ)在互动平台表示，公司的高速机械密封产品已应用于商业航天领 域，用于密封液体运载火箭发动机中的推进剂介质。 ...

Group 1 - The company Zhongmi Holdings (300470) confirmed on January 9 that it has no business operations in Venezuela [1]

Group 1 - The company, Zhongmi Holdings, stated that its products, including dry gas seals, mechanical seals, and sealing rings, can replace imports in the hydrogen energy preparation, storage, transportation, and application sectors [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]

Group 1 - Company currently has no plans to acquire Sichuan Embodied Humanoid Robot Technology Co., Ltd [1] Group 2 - Food and Beverage ETF has a recent five-day change of 0.72% and a price-to-earnings ratio of 20.26 times [2] - Game ETF has a recent five-day change of 5.18% and a price-to-earnings ratio of 39.32 times [2] - Sci-Tech 50 ETF has a recent five-day change of 7.26% and a price-to-earnings ratio of 170.93 times [2] - Cloud Computing 50 ETF has a recent five-day change of 4.69% and a price-to-earnings ratio of 98.25 times [2] - Food and Beverage ETF has a net redemption of 5.852 million yuan [2] - Game ETF has a net subscription of 380 million yuan [2] - Sci-Tech 50 ETF has a net subscription of 1.54 billion yuan [2] - Cloud Computing 50 ETF has no net subscription or redemption [2]

Core Viewpoint - Zhongmi Holdings (300470.SZ) has confirmed that its mechanical seal products are utilized in the Long March 12 rocket [1] Group 1 - Zhongmi Holdings engaged with investors on an interactive platform to disclose the application of its products [1]

格隆汇1月8日丨中密控股(300470.SZ)在互动平台表示，部分液体运载火箭会用到公司的机械密封，公 司已具备为此部分液体运载火箭配套机械密封的技术能力。但在公司涉及的液体运载火箭市场里，商业 火箭的应用占比相对较低，其总体空间与公司传统优势所在的石化机械密封市场相比，存在显著差距。 近期，公司已获得少量液体运载火箭领域的商业应用订单，但该部分业务产生的营业收入在公司整体营 收中占比较低。 ...