Core Viewpoint - Donghua Technology announced the appointment of Zhao Deyan as the Chief Financial Officer, effective from January 9, 2026, until the end of the current board's term [1]. Group 1 - The board of directors held its 13th meeting of the 8th session on January 9, 2026 [1]. - The appointment was reviewed and approved by the Audit and Risk Management Committee and the Nomination Committee [1]. - Zhao Deyan was nominated by General Manager Meng Chen Zhou for the CFO position [1].

Group 1 - Donghua Technology announced the appointment of Zhao Deyan as the Chief Financial Officer after review by the Board's Audit and Risk Management Committee and the Nomination Committee [1] Group 2 - A unique interview with a Tesla FSD user who completed a 4400 km journey without any manual intervention, highlighting the effectiveness of Tesla's "pure vision" approach [1]

东华工程科技股份有限公司 关于聘任公司财务总监的公告 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。 证券代码：002140 证券简称：东华科技 公告编号：2026-005 表决结果：有效表决票 9 票，其中同意 9 票，反对 0 票，弃权 0 票； 赵德艳简历：女，1979 年 1 月出生，中共党员，本科学历，高级会 计师，中国注册会计师。2012 年 5 月至 2019 年 12 月，任中国五环工程 有限公司财务部副主任；2019 年 12 月至 2025 年 12 月，任中国五环工 程有限公司财务部主任；现任本公司财务总监。 截至本次董事会召开之日，赵德艳女士与持有本公司百分之五以上 股份的股东、本公司其他董事、高级管理人员不存在关联关系；不持有 公司股票，未曾受过中国证监会及其他有关部门的处罚和证券交易所的 惩戒，不存在《公司法》《自律监管指引第 1 号--主板上市公司规范运 作》以及公司《章程》等规定的不得担任本公司高级管理人员的情形， 不属于失信被执行人，其任职资格符合相关法律法规、规范性文件和公 司《章程》等有关规定。 特此公告。 东华工程科技股 ...

证券代码：002140 证券简称：东华科技 公告编号：2026-004 东华工程科技股份有限公司 八届十三次董事会（现场结合通讯方式）决议公告 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。 一、董事会会议召开情况 1.分公司名称：东华工程科技股份有限公司埃及分公司（最终以埃 及商业注册局核定名称为准） 2.注册地点：埃及开罗市（以实际租赁合同及注册核定地址为准） 3.经营范围：主要执行本公司承揽的埃及境内的工程项目；开拓埃 及及周边国家工程业务市场。 4.董事会授权经理层遵照埃及当地法律规定办理注册埃及分公司 1 东华工程科技股份有限公司（以下简称"公司""东华科技"）第 八届董事会第十三次会议通知于 2025 年 12 月 31 日以电子邮件形式发 出，会议于 2026 年 1 月 9 日在公司 A 楼 1701 会议室以现场结合通讯方 式召开；会议由李立新董事长主持，会议应到董事 9 人，实到董事 9 人。 公司部分高级管理人员列席了会议；会议的召开、表决程序符合《公司 法》等法律法规以及公司《章程》等规定。 二、董事会会议审议情况 （一）审议通过《关于 ...

东华科技1月9日公告，公司董事会审议通过《关于聘任公司财务总监的议案》，聘任赵德艳为公司财务 总监，任期自本次董事会审议通过之日起至第八届董事会任期届满之日止。 ...

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 Viewpoint - Donghua Technology is a comprehensive engineering company specializing in various fields including chemical, petrochemical, new materials, renewable energy, ecological environment, infrastructure, and biomedicine, providing a full range of services from R&D to project management [2] Company Overview - Donghua Technology holds top-level qualifications in engineering design and environmental engineering, with over 400 provincial and national awards for technological progress and quality engineering [2] - The company possesses more than 260 patents and proprietary technologies, including award-winning inventions such as a system and method for continuous production of battery-grade lithium carbonate and a process for converting coke oven gas into ethylene glycol synthesis gas [2] - Currently, the company is not involved in nuclear fusion business [2]

Core Viewpoint - A new company, Beijing Tongzhou Donghua Technology Service Co., Ltd., has been established, indicating potential growth in the new materials and energy management sectors [1] Company Summary - The new company is registered with a capital of 30 million yuan [1] - The legal representative of the company is Shi Ying [1] - The company is wholly owned by Donghua Software Co., Ltd. [1] Industry Summary - The business scope of the new company includes services in new materials technology promotion, energy management, wind power technology services, and natural science research and experimental development [1]

Group 1 - The establishment of Beijing Tongzhou Donghua Technology Service Co., Ltd. has been reported, with a registered capital of 30 million yuan [1] - The company's business scope includes new material technology promotion services, energy management services, wind power technology services, intellectual property services, professional design services, industrial design services, natural science research and experimental development, agricultural science research and experimental development, and engineering and technology research and experimental development [1] - Donghua Software (002065) holds 100% ownership of the newly established company [1]

证券日报网讯1月6日，东华科技（002140）在互动平台回答投资者提问时表示，截至2025年12月31日下 午收市，公司股东人数约为3.19万户。 ...