四方达公告称，持股5%以上股东及控股股东、实际控制人的一致行动人付玉霞，董事兼总经理高华， 副总经理师金棒拟减持股份。付玉霞持股3420.14万股，占比7.0788%，拟减持不超483.15万股，占比 1%；高华持股11.45万股，占比0.0237%，拟减持不超2.86万股，占比0.0059%；师金棒持股8万股，占比 0.0166%，拟减持不超2万股，占比0.0041%。合计拟减持不超488.01万股，占比1.0101%，减持原因为个 人资金需求，将在公告披露15个交易日后3个月内以集中竞价进行。 ...

证券代码：300179 证券简称：四方达 公告编号：2026-001 河南四方达超硬材料股份有限公司 关于公司股东、董事及高级管理人员减持股份的预披露公告 公司持股 5%以上股东及控股股东、实际控制人的一致行动人付玉霞女士、 董事兼总经理高华先生、副总经理师金棒先生保证向本公司提供的信息内容真 实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 特别提示 持有河南四方达超硬材料股份有限公司（以下简称"公司"）股份 34,201,365 股（占公司扣除回购专用账户股份后的总股本比例 7.0788%）的持股 5%以上股 东及控股股东、实际控制人的一致行动人付玉霞女士计划在本减持计划公告披露 之日起十五个交易日后的三个月内以集中竞价方式减持公司股份不超过 4,831,536 股（占公司扣除回购专用账户股份后的总股本比例 1.0000%）。 持有公司股份 114,450 股（占公司扣除回购专用账户股份后的总股本比例 0.0237%）的董事兼总经理高华先生计划在本减持计划公告披露之日起十五个交 易日后的三个月内以集中竞价 ...

Group 1 - The company has a significant scale advantage in CVD diamond manufacturing in China and possesses nanodiamond coating technology [2] - The company currently does not engage in electrode-related business but is open to exploring more business opportunities based on its operational needs and development requirements in the future [2]

Core Viewpoint - Sifangda (300179) highlights the advantages of diamond materials, including wide bandgap, high breakdown field strength, and high thermal conductivity, making them suitable for various applications in optical windows, chip heat sinks, semiconductors, and power devices [1] Company Overview - The company is a leading CVD diamond manufacturer in China with significant equipment scale advantages [1] - It possesses proprietary intellectual property for MPCVD synthesis and processing equipment technology, as well as CVD diamond growth process technology [1] - The company has the capability to mass-produce large-size (12-inch) diamond substrates and films [1] Market Opportunities - The company will continue to monitor relevant market opportunities in the diamond material sector [1]

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: Functional Diamond Products - The company focuses on the research and development of diamond products, particularly in the CVD diamond sector, with proprietary MPCVD synthesis and processing equipment [2][3] - High-quality large-size ultra-pure diamonds are applicable in jewelry, precision tools, optical windows, CVD chip heat sinks, and semiconductor devices [2][3] - The company plans to increase R&D investment in functional diamonds and accelerate technological breakthroughs in optical windows, chip heat sinks, and semiconductor devices [3] Group 2: PCD Micro Drill Progress - The PCD micro drill bits produced by the company are characterized by long lifespan, high processing precision, and good surface finish [4] - The development of PCD micro drills aims to reduce domestic high-end manufacturing reliance on imported precision tools, with ongoing exploration of applications in PCB manufacturing [4] Group 3: Diamond Heat Dissipation - Diamonds possess a wide bandgap, high breakdown field strength, and high thermal conductivity, making them suitable for optical windows, chip heat sinks, and semiconductor devices [5] - The company is a leading domestic CVD diamond manufacturer with the capability to produce large-size (12-inch) diamond substrates and films in bulk [5] Group 4: Market Trends - Domestic oil and gas consumption is expected to grow due to the recovery of the Chinese economy, with a positive outlook for the oilfield service market [6] - The demand for precision machining tools is increasing as high-end manufacturing and the electric vehicle sector grow, leading to a higher market share for superhard tools [6] - The CVD diamond market is accelerating, with ongoing research into diamond materials and applications, leading to the emergence of more functional applications [6]

Group 1 - The superhard materials index increased by 2% during intraday trading [1] - Among the constituent stocks, Huanghe Xuanfeng rose by 7.43% [1] - Yujing Co., Ltd. saw an increase of 6.63% [1] - Sifangda experienced a rise of 3.29% [1] - Huifeng Diamond increased by 2.44% [1] - Power Diamond rose by 2.31% [1]

Core Viewpoint - The cultivated diamond and superhard materials sector experienced a significant intraday surge, with Huanghe Xuanfeng hitting the daily limit, Sifangda rising over 5%, and Huifeng Diamond, Power Diamond, and Chujing New Materials also showing upward trends [1] Company Performance - Huanghe Xuanfeng reached the daily limit, indicating strong investor interest and confidence in the company's stock performance [1] - Sifangda saw an increase of over 5%, reflecting positive market sentiment towards its business prospects [1] - Other companies in the sector, including Huifeng Diamond, Power Diamond, and Chujing New Materials, also experienced gains, suggesting a broader rally in the cultivated diamond and superhard materials market [1]

Group 1 - The core viewpoint of the news is that Sifangda's stock has shown a positive trend with a 5.09% increase year-to-date and a significant 38.66% increase over the past 60 days, indicating strong market performance [2] - As of January 6, Sifangda's stock price reached 15.89 yuan per share, with a market capitalization of 7.718 billion yuan and a trading volume of 197 million yuan [1] - The company reported a revenue of 407 million yuan for the period from January to September 2025, reflecting a year-on-year growth of 2.13%, while the net profit attributable to shareholders decreased by 36.62% to 59.5635 million yuan [2] Group 2 - Sifangda's main business involves the research, production, and sales of superhard materials and related products, with revenue composition being 60.34% from resource extraction/engineering, 30.20% from precision processing, and 9.46% from other sources [2] - The company has distributed a total of 579 million yuan in dividends since its A-share listing, with 193 million yuan distributed over the past three years [3] - As of September 30, 2025, Sifangda had 31,400 shareholders, a decrease of 10.06% from the previous period, while the average circulating shares per person increased by 10.76% to 11,907 shares [2]

Core Viewpoint - The stock of Sifangda has experienced fluctuations, with a year-to-date increase of 37.09% but a recent decline in the last five and twenty trading days, indicating potential volatility in investor sentiment [1]. Group 1: Stock Performance - As of December 31, Sifangda's stock price was 15.15 CNY per share, with a market capitalization of 7.359 billion CNY [1]. - The stock has seen a recent decline of 3.07% over the last five trading days and 14.84% over the last twenty trading days, while it has increased by 48.53% over the last sixty days [1]. - The company has appeared on the "Dragon and Tiger List" four times this year, with the most recent appearance on December 3, where it recorded a net buy of 241 million CNY [1]. Group 2: Financial Performance - For the period from January to September 2025, Sifangda reported a revenue of 407 million CNY, reflecting a year-on-year growth of 2.13%, while the net profit attributable to shareholders decreased by 36.62% to 59.5635 million CNY [2]. - The company has distributed a total of 579 million CNY in dividends since its A-share listing, with 193 million CNY distributed over the last three years [3]. Group 3: Shareholder Information - As of September 30, 2025, Sifangda had 31,400 shareholders, a decrease of 10.06% from the previous period, with an average of 11,907 circulating shares per shareholder, which increased by 10.76% [2]. - Among the top ten circulating shareholders, the "Fuguo Growth Mixed Fund" is a new entrant, holding 2.3621 million shares [3]. Group 4: Industry and Business Overview - Sifangda operates in the mechanical equipment sector, specifically in general equipment and abrasives, with its main business activities including the research, production, and sales of superhard materials and related products [2]. - The company's revenue composition is as follows: resource extraction/engineering construction at 60.34%, precision processing at 30.20%, and others at 9.46% [1].