证券代码：002741 证券简称：光华科技 公告编号：2025-029 广东光华科技股份有限公司 本公司及董事会全体成员保证公告内容真实、准确和完整，不存在虚假记 载、误导性陈述或重大遗漏。 广东光华科技股份有限公司（以下简称"公司"）召开第五届董事会第十五 次会议、第五届监事会第十四次会议，审议通过了《关于使用暂时闲置募集资金 进行现金管理的议案》，同意公司在不影响募集资金投资计划正常进行的情况下， 将总额不超过 5 亿元（含本数）的闲置募集资金购买期限不超过 12 个月（含） 的保本型产品，使用期限自董事会审议通过之日起 12 个月内有效，在上述额度 内资金可滚动使用。现将公司购买现金管理产品的进展情况公告如下： 一、闲置资金管理概况 | 产品名称 | 产品类型 | 资金来源 | 起息日 | 到期日 | 赎回本金 | 收益金额 | | --- | --- | --- | --- | --- | --- | --- | | | | | | | （万元） | （万元） | | 人民币结构性存 | 保本浮动 | 闲置的募 | 2025/4/2 | 2025/6/27 | 12,250.00 | 24.24 | ...

计算机、电力设备、医药生物主力资金净流入居前。 今日（6月23日），A股三大指数集体上涨，市场成交额达到11469.22亿元，较上周五放量超550亿元。 行业板块几乎全线上涨，能源金属、采掘行业、航运港口、软件开发、石油行业、电池、计算机设备、 互联网服务板块涨幅居前，仅酿酒行业逆市下跌。 从主力资金情况来看，沪深两市全天主力资金净流入21.17亿元。有15个行业主力资金净流入，其中计 算机、电力设备、医药生物行业净流入居前，金额分别为22.69亿元、14.1亿元、11.87亿元；有色金 属、基础化工、交通运输、汽车等行业净流入金额也均超2亿元。 16个主力资金净流出行业中，通信行业净流出金额居首，为21.16亿元；机械设备、银行、传媒行业净 流出金额居前，分别为12.52亿元、4.47亿元、4.07亿元。 14股获净流入超2亿元 从个股看，沪深两市51股主力资金净流入超亿元，14股获净流入超2亿元。 天源迪科主力资金净流入6.2亿元。今日数字货币板块大涨，四方精创、优博讯、吉大正元、神州信息 涨停，拉卡拉、天源迪科等个股涨幅居前。 融发核电主力资金净流入5.05亿元，该股今日涨停。核能核电股集体走强，其中， ...

Meeting Details - The first temporary shareholders' meeting of Zhejiang Guanghua Technology Co., Ltd. was held on June 20, 2025, at 14:30 [2][3] - The meeting combined on-site voting and online voting, with specific time slots for each voting method [4] - The meeting was convened by the board of directors and presided over by Chairman Sun Jiefeng [4] Attendance - A total of 97 shareholders (or their agents) participated in the voting, representing 90,544,400 shares, which is 70.7378% of the total shares [5] - Out of these, 6 shareholders attended the on-site meeting, holding 85,000,000 shares (66.4063% of total shares), while 91 shareholders participated via online voting, representing 5,544,400 shares (4.3316% of total shares) [6] - Among the participants, 92 were small shareholders, representing 6,544,400 shares (5.1128% of total shares) [6] Proposal Review and Voting Results - The main proposal discussed was to conclude certain fundraising projects and permanently supplement the remaining funds into working capital [7] - The voting results showed that 90,403,996 shares (99.8449%) were in favor, 113,704 shares (0.1256%) were against, and 26,700 shares (0.0295%) abstained [7][8] - For small shareholders, 6,403,996 shares (97.8546%) voted in favor, 113,704 shares (1.7374%) were against, and 26,700 shares (0.4080%) abstained [7] Legal Opinion - The legal opinion was provided by Guohao Law Firm (Hangzhou), confirming that the meeting's procedures, participant qualifications, and voting results complied with relevant laws and regulations [9]

Industry Overview - The PET copper foil sector is experiencing active performance, with notable stock increases for companies like Nord Shares and Yinglian Shares [1] - PET copper foil utilizes a "sandwich" structure, incorporating high polymer materials like PET as the intermediate substrate, with metal layers deposited on both sides, representing dual innovation in materials and production processes [1] - The main new technology routes for composite copper foil include one-step and two-step methods, with the one-step chemical deposition wet method showing significant advantages in production costs and fixed asset investment, as well as high product yield [1] - The rapid development of downstream industries such as new energy vehicles and energy storage is driving continuous demand for high-performance battery materials [1] Market Potential - As a lithium battery anode collector material, PET copper foil can reduce battery weight and enhance energy density, leading to an expanding market demand [1] - According to Chuan Cai Securities, if the penetration rate of composite copper foil reaches 20% by 2025, with global lithium battery shipments reaching 2000 GWh, the market space for PET composite copper foil is expected to reach 26.8 billion yuan by 2025 [1] Company Insights - Citic Securities anticipates a "stable growth period" for the composite collector industry from the second half of 2023 to the first half of 2024, marking it as the best allocation period for the industry [2] - Guojin Securities believes that composite copper foil is a rare and highly potential new direction in lithium battery materials, expected to see explosive growth by 2025 [2] - Baoming Technology has a production yield of approximately 80% for its lithium battery composite copper foil products, which are currently undergoing sample certification [2] - Nord Shares focuses on the research, production, and sales of electrolytic copper foil for lithium-ion batteries, and is also developing composite foil materials [2] - Yinglian Shares has three production lines for composite copper foil, with one line already in operation and two additional water plating lines under commissioning [2] - Zhongyi Technology is in the process of constructing a PET copper foil production line and supplies lithium battery copper foil and standard copper foil to a subsidiary of CATL [2] - Tongguan Copper Foil is engaged in ongoing research for PET copper foil, with a focus on high-precision electronic copper foil manufacturing [3] - Defu Technology is in the pilot testing stage for a new coating process aimed at large-scale production of high-quality composite copper foil [3] - Jingwei Huikai plans to invest in a composite copper (aluminum) foil manufacturing project in the Dafeng Economic Development Zone [4] - Guanghua Technology's chemicals are utilized in both one-step and two-step processes for PET composite copper foil, with a unit value of approximately 1.5 yuan [4]

Group 1 - The PCB concept sector experienced a short-term surge, with notable stocks such as Nord Shares (600110) and Zhengye Technology (300410) hitting the daily limit up [1] - Zhongjing Electronics (002579) previously reached the limit up, while companies like Zhongyi Technology (301150) and Qiangli New Materials (300429) saw increases exceeding 10% [1] - Other companies including Defu Technology (301511), Jiangnan New Materials (603124), Jiayuan Technology, Guanghua Technology (002741), and Tianshan Electronics (301379) also followed the upward trend [1]

Core Points - Zhejiang Guanghua Technology Co., Ltd. announced its 2024 annual profit distribution plan, which includes a cash dividend of RMB 3.60 per 10 shares, totaling RMB 46,080,000 [2][3] - The dividend will be distributed to all shareholders registered by the equity distribution registration date of June 24, 2025, with the ex-dividend date set for June 25, 2025 [3][4] Profit Distribution Details - The total share capital for the dividend distribution is 128,000,000 shares, and the cash dividend is inclusive of tax [3] - Different tax rates apply for various categories of shareholders, with specific provisions for Hong Kong investors and domestic investors holding different types of shares [3] - The company will not withhold individual income tax at the time of distribution; instead, it will be calculated based on the holding period when shares are sold [3] Distribution Method - Cash dividends will be directly credited to the accounts of A-share shareholders through their securities companies on the ex-dividend date [5] - The company assumes all legal responsibilities for any discrepancies in dividend distribution due to changes in shareholder accounts during the application period [7] Consultation and Documentation - The company’s board office is available for inquiries regarding the dividend distribution [7] - Relevant documents, including the resolutions from the annual shareholders' meeting and board meetings, will be available for review [7]

Summary of Solid-State Battery Industry Research Update Industry Overview - The solid-state battery industry is experiencing significant advancements, particularly in the development of sulfide solid-state batteries, which are favored for their superior conductivity compared to oxide alternatives. Major companies like CATL and BYD are actively pursuing the sulfide route, accelerating product launches and industry progress [1][5][7]. Key Points Cost Reduction Potential - Solid-state batteries have substantial cost reduction potential by utilizing higher voltage platforms and higher capacity electrode materials. For instance, CATL's next-generation solid-state battery may achieve 500 Wh/kg, which could reduce material consumption by 60% compared to current lithium iron phosphate batteries [2][5]. Market Trends - The solid-state battery technology is transitioning from pilot to mass production, with automotive-grade batteries reaching a 60 Ah application state, indicating readiness for road testing and commercial production. CATL and BYD are expected to undergo mid-term assessments by the Ministry of Industry and Information Technology and the Ministry of Finance in September 2025 [1][8]. Sulfide Electrolyte Development - The sulfide electrolyte technology is rapidly evolving, with several companies showcasing products with conductivity nearing that of liquid electrolytes. Companies like Ruigu New Materials, Yuyuan Tianci, and Solid State Technology are leading in this field, with a 300 kg production line already operational [1][9][10]. Production Techniques - Various production techniques for sulfide electrolytes are being explored, including liquid-phase, solid-phase, carbothermal reduction, and CVD methods. The CVD method, used by Xiamen Tungsten New Energy, is noted for its potential to achieve low-cost production [1][11]. Equipment Market - Key players in the solid-state battery equipment market include Honggong Technology and Nacronor, focusing on material automation processing and rolling equipment, respectively. Investment in solid-state battery sectors should prioritize sulfide electrolyte materials and related equipment [3][12]. Investment Recommendations - Investment opportunities should focus on companies involved in sulfide electrolyte materials and related equipment, such as Xiamen Tungsten New Energy, Guanghua Technology, and Yuyuan New Materials, which show significant growth potential and reasonable valuations [3][13][14]. Industry Challenges - Smaller battery companies face challenges in leveraging solid-state technology due to strict electrochemical laws, making it difficult to achieve breakthroughs without substantial technological advancements [4]. Future Outlook - The solid-state battery industry is currently transitioning from small-scale trials to mid-scale production, with expectations for increased product output and capacity expansion in the coming year [15]. Notable Company Developments - Xiamen Tungsten is expected to achieve significant performance improvements in its lithium cobalt oxide products, while Yuyuan New Materials has made rapid advancements in high-purity lithium sulfide production, collaborating closely with major clients like CATL and Huawei [21][22][23]. Emerging Players - Companies like Sanxiang New Materials in the halide electrolyte sector are also showing promise, with significant growth expected in the coming years if breakthroughs are achieved [24][25]. Conclusion - The solid-state battery industry is poised for rapid growth, driven by advancements in sulfide technology and increasing investments in production capabilities. Key players are well-positioned to capitalize on these trends, making it a compelling area for investment.

Core Viewpoint - Sulfide solid electrolytes are emerging as a promising material for all-solid-state batteries due to their high ionic conductivity, good flexibility, and excellent machinability [1] Production Challenges - The production of lithium sulfide, a key raw material for sulfide solid electrolytes, faces challenges such as complex synthesis processes requiring high temperatures and inert gas protection, leading to increased processing costs [2] - Chemical side reactions between solid electrolytes and battery electrodes may affect the stability of the battery interface [2] Industry Developments - Companies are actively investing in the production of lithium sulfide to meet market demand. For instance, Idemitsu Kosan plans to achieve an annual production of 1,000 tons of lithium sulfide by 2027-2028 [3] - In China, several companies, including Ganfeng Lithium, have made significant progress in this field [3] Company Summaries - **Ganfeng Lithium**: Achieved mass production capability of battery-grade lithium sulfide in 2022 and plans to expand production lines in 2024. Their lithium sulfide products have a purity of 99.9% and D50 ≤ 5μm, meeting the technical requirements for high-conductivity solid electrolyte materials [4] - **Enjie Co., Ltd.**: Since 2021, has been collaborating with Central South University to develop low-cost, high-purity lithium sulfide products. They have established a ton-level pilot line and completed debugging of a hundred-ton intermediate production line [5] - **Tianqi Lithium**: Announced completion of industrialization preparations for lithium sulfide by May 2025, with significant improvements in uniformity and activity of their new battery-grade lithium sulfide micro-powder [6] - **Sichuan Wanbang New Energy**: Established in 2019, has production capabilities for lithium sulfide and plans to build a demonstration line with an annual capacity of 200 tons of high-purity lithium sulfide [7] - **Tianhua New Energy**: Engaged in research and development of sulfide solid electrolytes and low-cost ultra-pure lithium sulfide, with ongoing testing of their products [8] - **Guanghua Technology**: Plans to expand its lithium sulfide production capacity from 300 tons/year to 3,000 tons/year based on market demand [9] - **Xiamen Tungsten**: Developing new synthesis processes for lithium sulfide, showing promising results in pilot tests [10] - **Yanyi New Materials**: Launched lithium sulfide products in August 2024, gaining recognition from leading domestic companies and research teams [11] - **Taihe Technology**: Currently in the small-scale testing phase for lithium sulfide synthesis technology [12]

Market Overview - The Shanghai Composite Index closed at 3376.58 points, above the five-day moving average, with an increase of 0.43% [1] - The total trading volume of A-shares reached 742.505 billion yuan [1] Stocks Performance - A total of 1307 A-shares have surpassed the five-day moving average today [1] - Notable stocks with significant deviation rates include: - Keheng Co., Ltd. (300340) with a deviation rate of 14.75% and a daily increase of 20.02% [1] - Taicheng Light (300570) with a deviation rate of 10.38% and a daily increase of 14.14% [1] - Pinwo Food (300892) with a deviation rate of 9.59% and a daily increase of 13.08% [1] Additional Stocks with Deviation Rates - Other stocks with notable performance include: - Kunlun Technology (831152) with a deviation rate of 9.36% and a daily increase of 13.26% [1] - Fengfan Co., Ltd. (601700) with a deviation rate of 7.43% and a daily increase of 9.91% [1] - Chuan Yi Technology (002866) with a deviation rate of 7.38% and a daily increase of 9.98% [1]

广东省广州市天河区珠江新城华夏路 10 号富力中心 23 楼整层及 31 楼 01、04 单元 邮编：510623 23/F, Units 01 & 04 of 31/F, R&F Center, 10 Huaxia Road, Zhujiang New Town, Tianhe District Guangzhou, Guangdong 510623, P. R. China 电话/Tel : +86 20 2826 1688 传真/Fax : +86 20 2826 1666 www.zhonglun.com 北京市中伦（广州）律师事务所 关于广东光华科技股份有限公司 2024 年年度股东大会的法律意见书 致：广东光华科技股份有限公司 北京市中伦（广州）律师事务所（以下简称"本所"）受广东光华科技股份有 限公司（以下简称"公司"）委托，指派本所律师全奋、谢兵（以下简称"本所律 师"）出席公司 2024 年年度股东大会（以下简称"本次股东大会"）。本所律师根 据《中华人民共和国公司法》（以下简称"《公司法》"）、《上市公司股东会规 则》等有关法律、法规、规范性文件及《广东光华科技股份有限公司章程》（以 下简 ...