Core Viewpoint - The company, a well-known player in the smart metering sector, is leveraging AI and capital operations to accelerate its global expansion and aims to become a leading provider of energy digitalization solutions worldwide [1][2]. Group 1: Market Expansion Strategy - The global smart meter market is projected to grow from 162 million units in 2024 to 236 million units by 2029, with a compound annual growth rate (CAGR) of 7.81% [2]. - The company is implementing a "dual-wheel drive" strategy, focusing on both international and domestic markets, with significant progress in Europe and emerging markets like the Middle East and South America [2][3]. - The company has secured over 127 million yuan in procurement projects from State Grid, which is expected to bolster its domestic market expansion [3]. Group 2: Technological Innovation - The company has automated various processes in its smart factory, which began construction in 2022 and is set to be completed by May 2025, enhancing efficiency across production and logistics [4]. - A virtual simulation and physical verification platform based on AI has been established to reduce R&D cycles and improve product reliability [4]. - The company plans to focus on AI-based energy big data SaaS services, offering value-added services such as energy efficiency analysis and carbon management [4]. Group 3: Financial Growth and Future Plans - The company recently went public on the Beijing Stock Exchange, achieving a record fundraising amount, which will support capacity expansion and technological development [5]. - Future plans include vertical investments or acquisitions in core technologies like chips and communication modules, as well as horizontal expansions into new markets and the renewable energy sector [5]. - The company's vision is to innovate for a better life, with a continued focus on smart and digital energy management solutions [5].

证券代码：920029 证券简称：开发科技 公告编号：2025-144 成都长城开发科技股份有限公司 投资者关系活动记录表 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、 投资者关系活动类别 □特定对象调研 □业绩说明会 □媒体采访 上市公司接待人员：副总经理、董事会秘书夏志强先生；证券事务代表张莉 霞女士。 三、 投资者关系活动主要内容 □现场参观 □新闻发布会 □分析师会议 □路演活动 √其他 （走进上市公司活动） 二、 投资者关系活动情况 活动时间：2025 年 12 月 10 日 活动地点：四川省成都市高新区天全路 99 号 参会单位或人员：四川省上市公司协会、国金证券、成都万象华成投资、喜 安基金及个人投资者。 本次投资者关系活动的主要问题及公司对问题的回复概要如下： 问题 1：我们在国内竞争的优势和困难是什么？ 答：公司的竞争优势是从业多年的良好声誉、资质、出货量；持续的研发投 入；优秀的企业经营能力，能够满足不同区域的客户多变灵活的需要；拥有一支 稳定、专业、高效的研发/营销团队以及 ...

Export Data - In the first three quarters of 2025, China's transformer export value reached $647.874 million, a year-on-year increase of 39%[3] - The number of transformers exported in the same period was 236,112 units, reflecting a growth of 5.4% year-on-year[3] - Notably, in September 2025, the export value of transformers surged by 47% year-on-year[7] Industry Outlook - The transformer industry is expected to benefit from rising electricity demand, expansion of renewable energy, and an increase in charging stations[13] - The total production of transformers in China is projected to approach 2 trillion volt-amperes by 2025, with an estimated growth of 11% in 2024[3][27] - The market for high-voltage transformers (above 110kV) is characterized by fewer participants and higher concentration, while the medium and low-voltage market is more competitive with many players[24] Company Performance - Guangxin Technology reported a revenue of $58.6 million in the first three quarters of 2025, marking a year-on-year increase of 41.35%, with net profit reaching $15 million, up 91.95%[47][49] - Minshida achieved a net profit of $9.117 million in the same period, reflecting a year-on-year growth of 28.88%[43][46] Market Trends - The median price-to-earnings (P/E) ratio for the electronic equipment industry on the North Exchange increased by 0.21% to 55.4X[3] - The North Exchange's technology growth stocks showed a median price change of 0.00% from November 24 to November 28, 2025, with 49% of companies experiencing a rise[3]

57/58/59/F, Tower A, Ping An Finance Centre, 5033 Yitian Road, 电话/Tel : +86 755 3325 6666 北京市中伦(深圳)律师事务所 i LUN 务 PT 北京市中伦(深圳)律师事务所 关于成都长城开发科技股份有限公司 2025 年第三次临时股东会的 法律意见书 二〇二五年十一月 关于成都长城开发科技股份有限公司 2025 年第三次临时股东会的 法律意见书 致:成都长城开发科技股份有限公司 北京市中伦(深圳)律师事务所(以下简称"本所")受成都长城开发科技股 份有限公司(以下简称"公司")委托,指派陈元婕律师、蔡腾飞律师出席并见证 公司 2025 年第三次临时股东会（以下简称"本次股东会"），并依据《中华人民 共和国公司法》（以下简称"《公司法》"）、《中华人民共和国证券法》（以下 简称"《证券法》"）、《上市公司股东会规则》（以下简称"《股东会规则》"） 以及《成都长城开发科技股份有限公司章程》（以下简称"《公司章程》"）等有 关规定,就本次股东会的召集、召开程序、出席现场会议人员的资格、召集人资 格、会议表决程序及表决结果等事项出 ...

2025 年第三次临时股东会决议公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、会议召开和出席情况 （一）会议召开情况 1.会议召开时间：2025 年 11 月 25 日 证券代码：920029 证券简称：开发科技 公告编号：2025-142 成都长城开发科技股份有限公司 2.会议召开地点：四川省成都市高新区天全路 99 号公司会议室 3.会议召开方式：现场投票和网络投票相结合 4.会议召集人：董事会 5.会议主持人：董事长莫尚云 6.召开情况合法合规的说明： 本次会议的召集、召开、议案审议程序符合《公司法》等法律法规和《公司 章程》的相关规定。 （二）会议出席情况 出席和授权出席本次股东会的股东共 10 人，持有表决权的股份总数 100,396,112 股，占公司有表决权股份总数的 72.2864%。 其中通过网络投票参与本次股东会的股东共 1 人，持有表决权的股份总数 359,712 股，占公司有表决权股份总数的 0.2590%。 （三）公司董事、高级管理人员出席或列席股东会情况 1. 公 ...

Investment Rating - The report highlights a focus on the power equipment industry chain in the context of the rapid growth in electricity demand driven by artificial intelligence technology [1]. Core Insights - The global electricity demand for data centers is projected to reach 945 TWh by 2030, with a current consumption of 415 TWh in 2024, representing 1.5% of global electricity consumption, and growing at an annual rate of 12% [3][9]. - The report identifies 16 companies within the North Exchange's power equipment industry chain, including key players such as Kai Fa Technology, Guangxin Technology, and Can Energy [3][45]. - The median price-to-earnings (P/E) ratio for the electronic equipment industry on the North Exchange has increased from 60.1X to 60.5X, indicating a slight upward trend in valuation [51]. Summary by Sections 1. Current AI Technology Development Driving Electricity Demand Surge - AI operations currently face a lack of sufficient electricity, with projections indicating that global data center electricity demand could reach 945 TWh by 2030 [7][18]. - The rapid increase in electricity demand is pushing the global energy system towards a critical turning point [9]. 2. Total: Median Price Change of North Exchange Technology Growth Stocks at -3.57% - As of November 7, 2025, the median price change for technology growth stocks on the North Exchange was -3.57%, with 27 companies experiencing an increase [47][50]. - Notable gainers included Can Energy (+31.13%) and Hongxi Technology (+19.07%) [49]. 3. Industry: Electronic Equipment Industry P/E Ratio Median Increased by 0.70% to 60.5X - The median P/E ratio for the electronic equipment industry rose to 60.5X, with the total market value decreasing from 1509.9 billion to 1461.4 billion [51][52]. - The report notes a decrease in the number of companies in the >100X P/E ratio category, while those in the 30X-50X and 50X-100X categories increased [51][54]. 4. Announcements - Tianhong Lithium Battery is establishing a joint venture to further develop its energy storage independent power station business [4][38]. - Kai Fa Technology plans to invest in new projects with a total investment of 283.7 million yuan [4][38].

Group 1 - The North Exchange 50 Index and the North Exchange Specialized and Innovative Index will undergo adjustments on December 15, 2025, with potential new additions and removals of companies based on quantitative indicators and buffer rules [3][6][12] - Expected companies to be added to the North Exchange 50 Index include Development Technology, Geberit, and Wantong Hydraulic, while companies like Zhongfangbiao, Qiuguan Cable, and Haitai New Energy may be removed [3][8][10] - For the North Exchange Specialized and Innovative Index, anticipated additions include Star Map Measurement and Control, Jun Chuang Technology, and Ju Xing Technology, with removals expected for companies like Runong Water Saving and Tongxiang Technology [12][13] Group 2 - The North Exchange A-share PE ratio has decreased to 49X, with a weekly average trading volume dropping to 231 billion [17][20] - The North Exchange 50 Index has reported a decline of 3.79%, closing at 1,522.73 points, while other indices like the Shanghai and Shenzhen 300 and the ChiNext have shown increases [18][22] - The market sentiment remains optimistic for the year, with a focus on several key themes, including the establishment of more public fund products targeting small and medium-sized stocks and the promotion of domestic consumption-related stocks [3][12][23] Group 3 - Recent IPO activities include the listing of two new companies, Zhongcheng Consulting and Danna Biology, with a total of 43 companies having gone public since January 1, 2024 [23][24] - The average issuance PE ratio for the 43 listed companies is 13.76X, with an average first-day price fluctuation of 264% [27][29] - The report highlights the ongoing normalization of new stock issuance processes at the North Exchange, with several companies currently in various stages of the IPO process [31]

Core Viewpoint - The company, Chengdu Great Wall Development Technology Co., Ltd., announced plans to enhance its market strategy and operational scale by investing in new projects using its own and raised funds [1] Group 1: Investment Plans - The company intends to increase its investment in its wholly-owned subsidiary, Great Measurement Technology (Hong Kong) Co., Ltd., by 200 million RMB, funded entirely by raised funds, with any shortfall covered by the company's own funds [1] - Following the capital increase to Great Measurement Hong Kong, the subsidiary will then invest in the company's wholly-owned subsidiary, Smart Energy Measurement Brazil Ltd., through additional capital and loans for new projects [1]

证券代码：920029 证券简称：开发科技 公告编号：2025-141 成都长城开发科技股份有限公司 关于召开 2025 年第三次临时股东会通知公告（提供网络投票） 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、会议召开基本情况 （一）股东会届次 本次会议为 2025 年第三次临时股东会。 （二）召集人 本次股东会的召集人为董事会。 根据《公司法》和《公司章程》的有关规定，公司董事会于 2025 年 11 月 7 日召开第二届董事会第五次会议，审议通过了《关于提请召开 2025 年第三次临 时股东会的议案》。 （三）会议召开的合法合规性 公司本次股东会的召集符合《公司法》等相关法律、法规、规范性文件及《公 司章程》的有关规定。 （四）会议召开方式 本次会议采用现场投票和网络投票相结合方式召开。 公司股东应选择现场投票或网络投票的其中一种方式参与表决，如果同一 表决权出现重复投票表决的，以第一次投票表决结果为准。 （五）会议召开日期和时间 | 股份类别 | 证券代码 | 证券简称 | 股权登记日 | ...

第二届董事会第五次会议决议公告 证券代码：920029 证券简称：开发科技 公告编号：2025-138 成都长城开发科技股份有限公司 6.会议列席人员：董事会秘书、其他高级管理人员 7.召开情况合法合规的说明： 本次会议的召集、召开和表决程序符合《中华人民共和国公司法》等有关法 律、行政法规、规范性文件及《公司章程》和《董事会议事规则》的规定。 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、会议召开和出席情况 （一）会议召开情况 1.会议召开时间：2025 年 11 月 7 日 2.会议召开地点：公司会议室 3.会议召开方式：现场结合通讯方式 4.发出董事会会议通知的时间和方式：2025 年 11 月 4 日以电子邮件方式发 出 5.会议主持人：莫尚云 （二）会议出席情况 会议应出席董事 9 人，出席和授权出席董事 9 人。 董事莫尚云因异地工作以通讯方式参与表决。 董事周庚申因异地工作以通讯方式参与表决。 董事彭秧因异地工作以通讯方式参与表决。 董事张森辉因异地工作以通讯方式参与表决。 二、议案 ...