Core Viewpoint - The company held a Q3 2025 performance briefing on December 5, 2025, to communicate with investors and address their concerns regarding the company's operations and performance [1][2]. Group 1: Performance Briefing Details - The performance briefing was conducted via the Shanghai Stock Exchange's online platform, lasting from 10:00 to 11:00 on December 5, 2025 [1]. - Key executives, including the chairman, general manager, independent director, and financial director, participated in the briefing to engage with investors [2]. Group 2: Investor Questions and Company Responses - The company's CVD diamond product yield rates are at an advanced industry level, with over 80% for cultivated diamonds and 90% for functional diamond materials [3]. - The core technology for CVD diamond production is the MPCVD (Microwave Plasma Chemical Vapor Deposition) method, which deposits carbon from gas onto substrates to form diamonds [3]. - The performance metrics for CVD diamond functional materials include thermal conductivity of 2200 W/mK for single crystal heat sinks and 1200 W/mK for polycrystalline heat sinks, with optical transmittance rates exceeding 70% for single crystals and 65% for polycrystals [3]. - The actual controller, Du Shunxian, reduced her holdings through block trading to optimize the company's equity structure and enhance market liquidity, with no significant impact on governance or operations [3].

证券代码：605580 证券简称：恒盛能源 公告编号：2025-040 恒盛能源股份有限公司 关于 2025 年第三季度业绩说明会召开情况的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 恒盛能源股份有限公司（以下简称"公司"）已于 2025 年 12 月 05 日 10： 00-11：00 通过上海证券交易所上证路演中心（https://roadshow.sseinfo.com/） 以网络互动方式召开了公司 2025 年第三季度业绩说明会。现将说明会情况公告 如下： 一、业绩说明会召开情况 公司于 2025 年 11 月 28 日在上海证券交易所网站（http://www.sse.com.cn） 披露《恒盛能源股份有限公司关于召开 2025 年第三季度业绩说明会的公告》（公 告编号：2025-039）。 2025 年 12 月 05 日 10：00-11：00，公司董事长及董事会秘书（代行）余国 旭先生、总经理余恒先生、独立董事王焕军先生、财务总监项红日先生参加了本 次业绩说明会，与投资者进行互动交流和沟通，并在信息披 ...

Core Viewpoint - The market experienced a downturn on December 3, with the ChiNext index seeing significant drops, while the cultivated diamond sector surged, indicating a shift in investor interest towards this emerging industry [1] Industry Developments - The 2025 Cultivated Diamond Industry Conference will be held in Zhengzhou from December 5 to 6, featuring the unveiling of the "Henan Province Cultivated Diamond Promotion Center" aimed at creating an integrated service ecosystem covering inspection, trading, design, and brand incubation [1] - Approximately 30 key projects in the industry chain are expected to be signed at the conference, with a total investment of no less than 15 billion yuan, focusing on strengthening and extending the industry chain [1] - The conference will also release the "2025 Cultivated Diamond Industry Development Report," which will analyze global industry chains, market supply and demand, and consumption trends, providing crucial insights for industry decision-making and development [1] Market Trends - According to Zhongyuan Securities, traditional demand in the sector is contracting, while functional diamonds are gaining traction, indicating a shift in market dynamics [1] - The demand for traditional superhard products is under pressure, leading the industry into a downward cycle; however, continuous technological breakthroughs in functional diamonds are opening new growth opportunities [1] - Diamond/copper composite materials, particularly for high-end chip cooling applications, are identified as a key development direction and potential growth point for the industry in the short term [1]

Group 1: Market Performance - The A-share cultivated diamond sector showed strong performance, with Sifangda rising nearly 15%, Huifeng Diamond up over 10%, and Huanghe Xuanfeng hitting the daily limit [1][2] - Other companies such as Liliang Diamond, Hengsheng Energy, Chuangjiang New Materials, Inno Laser, Boyun New Materials, and Guojijiang Precision also experienced significant increases [1][2] Group 2: Industry Conference - The 2025 Cultivated Diamond Industry Conference is approaching, scheduled for December 5-6 in Zhengzhou, aiming to promote deep integration and upgrading of the industry chain [3] - The conference will focus on three main goals: building platforms, addressing shortcomings, and strengthening support, with plans to integrate the cultivated diamond industry with the gold and jewelry sector [3] - Expected outcomes include the establishment of the Henan Province Cultivated Diamond Promotion Center and signing of approximately 30 projects with a total investment of no less than 15 billion yuan [3] Group 3: Industry Background - Cultivated diamonds, a high-value consumer product branch of the diamond industry, are rapidly growing due to their environmental benefits, cost-effectiveness, and stable supply [4] - The global cultivated diamond market is projected to reach 15 billion USD by 2026, with a compound annual growth rate exceeding 15% [4] - China's position as the largest producer of cultivated diamonds is expected to secure over 40% of the global market share [4] Group 4: Market Challenges and Opportunities - The market price of synthetic diamonds, particularly mid-to-low-end industrial products, has been under pressure due to previous capacity expansions and slowing demand in traditional downstream sectors [5] - The exceptional thermal conductivity of diamonds is becoming a key factor in unlocking new value, especially in high-power electronic devices [6] - Companies like Guojijiang Precision are seeing increased demand for diamond heat sinks, with expected sales revenue surpassing 10 million yuan this year [6][7]

Core Viewpoint - The power sector experienced significant stock price increases, with several companies reaching their daily limit up [1]. Group 1 - Companies such as Huitian Thermal Power, Zhongmin Energy, and Mindong Electric Power hit the daily limit up [1] - Other companies including Hengsheng Energy, Shenzhen Nanshan Electric Power, and Jingneng Power also saw their stock prices rise [1]

Group 1 - The A-share market for cultivated diamond stocks experienced a general increase, with notable gains in several companies [1] - Sifangda saw a rise of 6.03%, with a total market capitalization of 7.942 billion and a year-to-date increase of 48.39% [2] - World Diamond increased by 5.09%, with a market cap of 10.2 billion and a year-to-date increase of 209.81% [2] - Huifeng Diamond rose by 5.01%, with a market cap of 3.194 billion and a year-to-date decrease of 9.60% [2] - Huanghe Xuanfeng increased by 3.74%, with a market cap of 9.201 billion and a year-to-date increase of 53.37% [2] - Hengsheng Energy rose by 3.39%, with a market cap of 12.1 billion and a year-to-date increase of 300.04% [2] - *ST Yazhen increased by 3.24%, with a market cap of 11 billion and a year-to-date increase of 585.64% [2] - Power Diamond saw an increase of 2.41%, with a market cap of 9.968 billion and a year-to-date increase of 6.19% [2] - The formation of a MACD golden cross signal indicates a positive trend for these stocks [1]

Core Insights - The electricity sector experienced a slight increase of 0.03% on the trading day, with Min Dong Power leading the gains [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Min Dong Power (000993) closed at 12.67, up 3.68% with a trading volume of 442,700 shares and a transaction value of 556 million [1] - Other notable gainers included ST Lingda (300125) with a 3.43% increase, and Zhongmin Energy (600163) with a 3.04% increase [1] - Conversely, Tianfu Energy (600509) saw a decline of 3.78%, and Shanghai Electric (600021) fell by 3.56% [2] Capital Flow - The electricity sector saw a net outflow of 757 million from institutional investors, while retail investors contributed a net inflow of 842 million [2] - The capital flow data indicates that retail investors were more active in the market compared to institutional investors [2] Individual Stock Capital Flow - Huadian New Energy (600930) had a net inflow of 193 million from institutional investors, while it experienced a net outflow of 12 million from speculative funds [3] - Jiangsu Guoxin (002608) reported a net inflow of 13 million from institutional investors, but a net outflow of 4 million from speculative funds [3] - Overall, the data suggests a mixed sentiment among different types of investors within the electricity sector [3]

Core Insights - The electricity sector experienced a slight increase of 0.02% on the previous trading day, with Meiyan Jixiang leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up by 0.34%, while the Shenzhen Component Index closed at 12984.08, up by 0.85% [1] Stock Performance Summary - Meiyan Jixiang (600868) saw a closing price of 3.58, with a significant increase of 10.15% and a trading volume of 4.23 million shares, amounting to a transaction value of 1.403 billion yuan [1] - Dongwang Times (600052) closed at 4.95, up by 7.38%, with a trading volume of 552,700 shares and a transaction value of 271 million yuan [1] - Hengsheng Energy (605580) closed at 43.60, increasing by 4.43%, with a trading volume of 64,800 shares and a transaction value of 277 million yuan [1] - Other notable performers include Mindong Electric Power (000993) with a 3.86% increase and a closing price of 12.10, and Tianfu Energy (600509) with a 3.28% increase and a closing price of 8.82 [1] Fund Flow Analysis - The electricity sector saw a net outflow of 101 million yuan from main funds, while retail funds experienced a net inflow of 171 million yuan [2] - The overall trend indicates a mixed sentiment among investors, with institutional investors pulling back while retail investors are more active [2]

证券代码：605580 证券简称：恒盛能源 公告编号：2025-039 恒盛能源股份有限公司 关于召开 2025 年第三季度业绩说明会的公告 会议召开时间：2025 年 12 月 05 日 （星期五） 10:00-11:00 会 议 召 开 地 点 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （ 网 址 ： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 （二） 会议召开地点：上证路演中心 （三） 会议召开方式：上证路演中心网络互动 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 投资者可于 2025 年 11 月 28 日（星期五）至 12 月 04 日 （星期四）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 hsny@hs-energy.com.cn 进行提问。公司将在说明会上对投资者普遍关注的问题 进行回答。 恒盛能源股份有限公司（以下简称"公司"）已于 2025 年 10 月 30 日发布 公司 2025 年第三 ...

Market Overview - The electricity sector experienced a slight decline of 0.07% compared to the previous trading day, with Lu Xiao Technology leading the losses [1] - The Shanghai Composite Index closed at 3864.18, down 0.15%, while the Shenzhen Component Index closed at 12907.83, up 1.02% [1] Stock Performance - Notable gainers in the electricity sector included: - Meiyan Jixiang (600868) with a closing price of 3.16, up 10.10% on a trading volume of 423,300 shares and a turnover of 134 million yuan [1] - Huami Environmental (600475) closed at 18.04, up 5.81% with a trading volume of 288,000 shares and a turnover of 518 million yuan [1] - Hengsheng Energy (605580) closed at 43.00, up 3.27% with a trading volume of 88,000 shares and a turnover of 375 million yuan [1] Fund Flow Analysis - The electricity sector saw a net outflow of 333 million yuan from institutional investors, while retail investors contributed a net inflow of 179 million yuan [2] - Key stocks with significant fund flows included: - Meiyan Jixiang (600868) with a net outflow of 88.72 million yuan from institutional investors [3] - Guotou Electric Power (600886) with a net inflow of 49.16 million yuan from institutional investors [3] - Baoneng New Energy (000690) with a net inflow of 39.87 million yuan from institutional investors [3]