Core Viewpoint - Shareholder Yang Senmao plans to reduce his stake in Huahai Chengke by selling 584,689 shares, which represents 0.72% of the total share capital, decreasing his ownership from 6.68% to 5.96% [1] Summary by Relevant Sections - **Shareholder Activity** - Yang Senmao will conduct the share reduction from October 27 to November 10, 2025, through centralized bidding and block trading [1] - The reduction is part of a previously disclosed plan and does not trigger a mandatory offer or violate any regulations or commitments [1] - **Compliance and Monitoring** - The company will ensure that Yang Senmao complies with the reduction plan and discloses information in a timely manner [1]

Core Points - The company will hold an investor briefing on November 20, 2025, from 13:00 to 14:00 to discuss its Q3 2025 performance and financial status [2][3][4] - The briefing will be conducted online via the Shanghai Stock Exchange Roadshow Center, allowing for interactive communication with investors [3][4] - Investors can submit questions from November 13 to November 19, 2025, and the company will address common concerns during the briefing [2][4][5] Summary by Sections Meeting Details - The investor briefing is scheduled for November 20, 2025, from 13:00 to 14:00 [2][4] - The location for the meeting is the Shanghai Stock Exchange Roadshow Center [2][4] - The meeting will be held in an online interactive format [3][4] Participation Information - Investors can participate by logging into the Shanghai Stock Exchange Roadshow Center on the scheduled date [4][5] - Questions can be submitted through the Roadshow Center's "Pre-Question Collection" section or via the company's email before the deadline [2][4][5] Contact Information - The contact person for the event is Chen Xin, with a provided phone number and email for inquiries [5]

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： 会议召开时间：2025 年 11 月 20 日（星期四）13:00-14:00 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 投资者可于 2025 年 11 月 13 日（星期四）至 11 月 19 日（星期三）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 ghzq@govagroup.com 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。 南京高华科技股份有限公司（以下简称"公司"）已于 2025 年 10 月 30 日发 布公司 2025 年第三季度报告，为便于广大投资者更全面深入地了解公司 2025 年第三季度经营成果、财务状况，公司计划于 2025 年 11 月 20 日（星期四） 13:00-14:00 举行 2025 年第三季度业绩说明会，就投资者关心的问题进行交 ...

Group 1 - The core viewpoint of the news is that GaoHua Technology's stock has increased by 5%, reaching 37.15 CNY per share, with a trading volume of 120 million CNY and a turnover rate of 3.18%, resulting in a total market capitalization of 6.907 billion CNY [1] - GaoHua Technology, established on February 29, 2000, is located in Nanjing Economic and Technological Development Zone and was listed on April 18, 2023. The company's main business involves the research, design, production, and sales of high-reliability sensors and sensor network systems [1] - The revenue composition of GaoHua Technology includes high-reliability sensors at 85.06%, sensor network systems at 14.43%, sensor chips at 0.28%, and other supplementary sources at 0.24% [1] Group 2 - From the perspective of major shareholders, Penghua Fund's Penghua High-Quality Growth Mixed A (010490) reduced its holdings by 486,600 shares, now holding 1.4885 million shares, which accounts for 1.42% of the circulating shares. The estimated floating profit today is approximately 2.6346 million CNY [2] - The Penghua High-Quality Growth Mixed A fund was established on November 18, 2020, with a current scale of 966 million CNY. Year-to-date returns are 55.77%, ranking 773 out of 8148 in its category, while the one-year return is 48.57%, ranking 857 out of 8053 [2] - The fund manager of Penghua High-Quality Growth Mixed A is Hu Ying, who has been in the position for 3 years and 358 days, managing a total asset scale of 1.468 billion CNY. The best fund return during his tenure is 55.03%, while the worst is 9.37% [3] Group 3 - In terms of the fund's top holdings, GaoHua Technology is among the top ten holdings of Penghua High-Quality Growth Mixed A, with the reduced holdings accounting for 5.08% of the fund's net value [4]

Group 1 - The core viewpoint of the news is the performance and financial details of Nanjing Gaohua Technology Co., Ltd., which saw a 5% increase in stock price, reaching 37.15 CNY per share, with a total market capitalization of 6.907 billion CNY [1] - The company specializes in the research, design, production, and sales of high-reliability sensors and sensor network systems, with the main revenue composition being 85.06% from high-reliability sensors, 14.43% from sensor network systems, 0.28% from sensor chips, and 0.24% from other sources [1] - The top circulating shareholder is Changxin Fund, which has recently entered the top ten shareholders with its fund holding 969,800 shares, representing 0.93% of the circulating shares, and has made a floating profit of approximately 1.7165 million CNY [2] Group 2 - The fund manager of Changxin National Defense and Military Industry Quantitative Mixed A (002983) is Song Haikuan, who has been in the position for 7 years and 271 days, with a total fund asset scale of 6.495 billion CNY [3] - During his tenure, the best fund return was 146.58%, while the worst return was -26.88% [3]

Group 1: Aerospace and Technology - The successful launch of the Shenzhou 21 manned spacecraft was supported by various sensor and monitoring systems developed by Nanjing Gaohua Technology Co., Ltd, ensuring the mission's success [1][2] - Gaohua Technology has a strong presence in aerospace, having participated in key projects such as manned spaceflight, lunar exploration, and the BeiDou project, showcasing its technological capabilities [2][3] - The aerospace industry in Nanjing is a key focus area, with policies aimed at creating a nationally influential aerospace research and manufacturing hub, leading to significant growth in high-tech manufacturing [3] Group 2: Medical Equipment - Nanjing Puhui Medical Equipment Co., Ltd has become the second-largest supplier of medical X-ray imaging systems in China, with a strong market presence in mobile C-arms [4] - The company recently received FDA approval for its large flat-panel C-arm product, marking a significant step in its global expansion strategy [4] Group 3: Internet and Modern Services - The rise of internet platforms in Nanjing is enhancing the modern service industry, with companies like Huitongda Network leveraging AI to improve retail operations for small businesses [5][6] - China Manufacturing Network, a core platform under Focus Technology, has seen significant growth, with a 35% increase in site traffic and a strong presence in emerging markets [6] Group 4: Innovation and Industry Development - Nanjing is fostering a modern industrial system through innovation, with companies like Tianchuang Intelligent Technology showcasing advanced robotics at international expos [8] - The city is also focusing on high-end manufacturing and digital transformation, with significant investments in R&D and technology innovation across various sectors [9]

Group 1 - The city's high-tech manufacturing industry added value increased by 8.3% year-on-year in the first three quarters, with aerospace and equipment manufacturing growing by 17.9% and medical equipment manufacturing by 12.6% [1][5] - The modern service industry is also experiencing rapid growth, with internet access and related services revenue increasing by 62.4%, internet production service platforms by 12.7%, and internet technology innovation platforms by 20.5% from January to August [6][7] - Nanjing's focus on building a trillion-level software industry and a 500 billion-level smart grid industry aims to enhance industrial innovation through technological advancements [2][10] Group 2 - High-tech manufacturing companies like Nanjing Gaohua Technology Co., Ltd. are contributing to significant aerospace projects, providing various sensor systems that ensure the success of missions like the Shenzhou 21 manned spacecraft launch [3][4] - Nanjing Puhui Medical Equipment Co., Ltd. has successfully passed FDA approval for its C-arm product, marking a significant step in its global strategy and expanding its market presence [5] - The city has established a robust aerospace industry cluster, focusing on key areas such as aircraft engines, onboard systems, and drone manufacturing, supported by various policy initiatives [4][10] Group 3 - The rise of internet platforms in Nanjing is facilitating the digital transformation of traditional industries, with companies like Huitongda Network leveraging AI to enhance retail operations for small businesses [6][7] - China Manufacturing Network, a key platform under Focus Technology, has seen a 35% increase in traffic, with significant growth in emerging markets, indicating a strong demand for Chinese suppliers [7] - Nanjing Tianchuang Intelligent Technology Co., Ltd. has gained attention for its innovative robots, including the world's first explosion-proof humanoid robot, showcasing the city's advancements in robotics [8][9]

Core Viewpoint - The company focuses on high-end equipment support in aerospace, aviation, rail transit, mechanical equipment, metallurgy, and energy sectors [1] Group 1 - The company engages in business related to aerospace and aviation [1] - The company also operates in rail transit and mechanical equipment sectors [1] - The company is involved in metallurgy and energy fields [1]

Core Viewpoint - Gaohua Technology emphasizes the importance of real-time monitoring of core parameters such as vibration, temperature, pressure, liquid level, and posture during the launch, recovery, and reuse of rockets to ensure stability and reliability [1] Group 1: Technology and Innovation - The advancement of reusable rocket technology is expected to optimize launch costs [1] - The improvements in technology will promote the growth of the commercial space industry [1]

Core Viewpoint - The integration of artificial intelligence and sensors is crucial for driving the intelligent upgrade of industries, with sensors providing real-time data and AI extracting value from this data [1] Group 1 - Sensors serve as the "perception layer" core, supplying authentic and real-time data sources for artificial intelligence [1] - Artificial intelligence can deeply mine data value, extending the role of sensors from "perception" to "cognition" and "decision-making" [1] - The combination of AI and sensors can create application space across multiple fields [1]