Group 1 - The core viewpoint of the article is that Huihan Co., Ltd. (SZ 301600) has engaged in a research meeting with Zhongyin International Securities, where company representatives addressed investor inquiries [1] - For the first half of 2025, Huihan Co., Ltd. reported that its revenue composition is entirely from the manufacturing of computers, communications, and other electronic equipment, accounting for 100.0% [1] - As of the report date, Huihan Co., Ltd. has a market capitalization of 15 billion yuan [1]

Group 1: eCall Business Overview - The company has been early in the eCall product field, accumulating rich experience in certification and project management since 2013 [2] - In 2019, the company obtained the first EU eCall certification in China and was among the first globally to receive the UN-R144 standard certification [2] - As of January 6, 2025, the company received the next-generation NG eCall certification, becoming one of the first globally certified for this standard [2][5] - The company has expanded its certification scope to include countries like the UK, UAE, and Saudi Arabia, making it one of the few domestic companies with comprehensive certifications [2] Group 2: Involvement in National Standards - The company is one of the drafting units for the national standard AECS and has participated in the preparation of standard texts and technical specifications [3] - Recent tests conducted by the China Automotive Technology Research Center on the company's products have been successful, laying a solid foundation for the future application of the AECS system in vehicles [3] Group 3: R&D and Innovation - The company emphasizes forward-looking R&D, closely following industry trends and customer needs, leading to a steady increase in R&D expenses [3] - The R&D system is built on a "platform and modular" concept, allowing for rapid market introduction of new features and products tailored to customer demands [3] Group 4: Market Response and Competitive Advantage - The national standard AECS has been released, with mandatory implementation set for July 1, 2027, although certification and implementation will take time [4] - The company holds a first-mover advantage in the eCall sector, having passed the EU e-Call standard certification in March 2019 and continuously updating its products and technologies [5] Group 5: Production Capacity and Future Planning - The company has a flexible production line and an intelligent manufacturing system to meet the production needs of automotive-grade products [6] - The company collaborates with external manufacturers for non-core components, ensuring quality and compliance with production standards [6] Group 6: Digital Energy Management Solutions - The company's digital energy management solutions have been in development for several years and entered a new phase in the first half of this year [7] - These solutions support battery lifecycle management and digital operations for battery rental and charging stations, positioning the company for growth in high-value energy trading areas [7]

Company Overview - Huihan Microelectronics Co., Ltd. is located in Fuzhou, Fujian Province, and was established on July 11, 2008. The company was listed on September 11, 2024. Its main business involves the research, development, production, and sales of vehicle networking smart terminals and IoT smart modules, along with providing software and technical services [1]. Business Composition - The revenue composition of Huihan Microelectronics is as follows: 74.71% from vehicle networking smart terminals, 18.17% from IoT smart modules, 7.00% from software and services, and 0.12% from other sources [1]. Stock Performance - On September 19, Huihan shares fell by 5.19%, trading at 141.15 yuan per share, with a transaction volume of 405 million yuan and a turnover rate of 8.67%. The total market capitalization is 14.753 billion yuan [1]. Fund Holdings - Dongwu Fund has one fund heavily invested in Huihan shares. The Dongwu Double Triangle Stock A (005209) increased its holdings by 507 shares in the second quarter, bringing the total to 4,507 shares, which accounts for 3.15% of the fund's net value, ranking it as the tenth largest holding. The estimated floating loss today is approximately 34,800 yuan [2]. Fund Performance - The Dongwu Double Triangle Stock A (005209) was established on December 5, 2017, with a latest scale of 5.8348 million. Year-to-date returns are 56.84%, ranking 234 out of 4,222 in its category. Over the past year, returns are 60.5%, ranking 1,582 out of 3,805. Since inception, the fund has experienced a loss of 28.37% [2]. Fund Management - The fund manager of Dongwu Double Triangle Stock A (005209) is Chen Weibin, who has been in the position for 200 days. The total asset size of the fund is 13.9964 million yuan, with the best return during his tenure being 40.93% and the worst return being 40.58% [3].

Core Viewpoint - Huihan Microelectronics Co., Ltd. has shown significant stock performance and growth in revenue and profit, indicating a positive outlook for the company in the automotive and IoT sectors [1][2]. Group 1: Stock Performance - On September 16, Huihan's stock rose by 2.07%, reaching 147.28 CNY per share, with a trading volume of 1.56 billion CNY and a turnover rate of 3.35%, resulting in a total market capitalization of 15.394 billion CNY [1]. - Year-to-date, Huihan's stock price has increased by 13.06%, with a 32.37% rise over the last five trading days, 30.47% over the last 20 days, and 54.06% over the last 60 days [1]. - The company has appeared on the "Dragon and Tiger List" five times this year, with the most recent appearance on September 11, where it recorded a net buy of 1.33 billion CNY [1]. Group 2: Financial Performance - For the first half of 2025, Huihan achieved a revenue of 451 million CNY, representing a year-on-year growth of 4.84%, and a net profit attributable to shareholders of 93.825 million CNY, which is a 26.33% increase [2]. - The company's main business revenue composition includes 74.71% from automotive intelligent terminals, 18.17% from IoT intelligent modules, and 7.00% from software and services [2]. Group 3: Shareholder Information - As of June 30, 2025, Huihan had 14,600 shareholders, an increase of 5.43% from the previous period, with an average of 1,791 circulating shares per shareholder, up by 41.32% [2]. - The largest circulating shareholder is the Southern CSI 1000 ETF, holding 292,600 shares, while Hong Kong Central Clearing Limited is the third-largest, holding 251,100 shares, a decrease of 11,700 shares from the previous period [3].

Summary of Key Points Core Viewpoint - The financing balance of the ChiNext market has increased, indicating a positive trend in investor sentiment and market activity, with specific stocks showing significant growth in financing balance and price performance [1][2]. Financing Balance Overview - The latest financing balance for ChiNext stocks is 494.73 billion yuan, with a week-on-week increase of 2.25 billion yuan, marking six consecutive days of growth [1]. - Among the 436 stocks with increased financing balance, 30 stocks saw an increase of over 10%, with the largest increase recorded by Ding Tai Gao Ke at 1.78 million yuan, reflecting a 39.23% rise [1][3]. Stock Performance - The average increase for stocks with a financing balance growth of over 10% was 2.67%, with notable performers including Xiang Nong Xin Chuang, Jiang Bo Long, and Meng Gu Li, which rose by 14.45%, 13.83%, and 11.86% respectively [1][2]. - Conversely, stocks with a decrease in financing balance included Xian Dao Zhi Neng and Yi Zhi Mi, which fell by 8.86% and 5.54% respectively [1][4]. Capital Flow Analysis - On September 12, 19 stocks with increased financing balance experienced net inflows of main funds, with Xiang Nong Xin Chuang, De Fu Ke Ji, and Shen Xin Fu leading with net inflows of 239 million yuan, 207 million yuan, and 173 million yuan respectively [2]. - In contrast, 11 stocks saw net outflows, with Xian Dao Zhi Neng experiencing the highest outflow of 1.308 billion yuan [2]. Stocks with Significant Financing Balance Changes - Stocks with the largest increases in financing balance include: - Ding Tai Gao Ke: 1.78 million yuan, +39.23%, closing at 89.56 yuan, +4.81% [3]. - Hui Han Gu Fen: 3.1726 million yuan, +36.28%, closing at 137.81 yuan, +2.38% [3]. - Cai Na Gu Fen: 662.1 million yuan, +35.88%, closing at 24.92 yuan, +4.40% [3]. - Stocks with the largest decreases in financing balance include: - Rui Chen Huan Bao: 21.2792 million yuan, -29.13%, closing at 28.32 yuan, -0.91% [4]. - Wei Ke Ke Ji: 32.50216 million yuan, -19.73%, closing at 99.91 yuan, -1.86% [4]. - Yi Dong Dian Zi: 14.97625 million yuan, -16.37%, closing at 47.84 yuan, -2.69% [4].

Core Viewpoint - Huihan Co., Ltd. experienced a significant stock price increase, reaching the daily limit of 20% with a trading volume of 9.56 billion yuan and a turnover rate of 23.11% [2] Trading Activity - The stock was listed on the Shenzhen Stock Exchange due to a closing price increase of 20.00%, with net purchases from the Shenzhen Stock Connect amounting to 66.88 million yuan [2] - The top five trading departments accounted for a total transaction volume of 376 million yuan, with a net purchase of 133 million yuan after 255 million yuan in buying and 121 million yuan in selling [2] - The second-largest buying department was the Shenzhen Stock Connect, with a buying amount of 74.36 million yuan and a selling amount of 0.75 million yuan, resulting in a net purchase of 66.88 million yuan [2] Capital Flow - The stock saw a net inflow of 112 million yuan from major funds, with a significant inflow of 183 million yuan from large orders, while large orders experienced an outflow of 70.17 million yuan [2] - Over the past five days, the net inflow of major funds totaled 97.65 million yuan [2] Margin Trading Data - As of September 10, the margin trading balance for the stock was 21.4 million yuan, with a financing balance of 21.4 million yuan and a securities lending balance of 516,000 yuan [2] - In the last five days, the financing balance decreased by 30.16 million yuan, representing a decline of 12.36%, while the securities lending balance decreased by 93,400 yuan, a decline of 15.32% [2]

| 项目 | 工作内容 | | --- | --- | | 7.向本所报告情况（现场检查报告除外） | | | （1）向本所报告的次数 | 0 次 | | （2）报告事项的主要内容 | 不适用 | | （3）报告事项的进展或者整改情况 | 不适用 | | 8.关注职责的履行情况 | | | （1）是否存在需要关注的事项 | 否 | | （2）关注事项的主要内容 | 不适用 | | （3）关注事项的进展或者整改情况 | 不适用 | | 9.保荐业务工作底稿记录、保管是否合规 | 是 | | 10.对上市公司培训情况 | | | （1）培训次数 | 次，计划下半年开展现场培训 0 | | （2）培训日期 | 不适用 | | （3）培训的主要内容 | 不适用 | | 11.其他需要说明的保荐工作情况 | 无 | 广发证券股份有限公司 关于慧翰微电子股份有限公司 2025年半年度跟踪报告 | 保荐人名称：广发证券股份有限公司 | 被保荐公司简称：慧翰股份 | | --- | --- | | 保荐代表人姓名：蒋迪 | 联系电话：020-66338888 | | 保荐代表人姓名：杨华川 | 联系电话：020-663388 ...

Market Overview - The computer equipment sector rose by 3.97% on September 11, with Huihan Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3875.31, up 1.65%, while the Shenzhen Component Index closed at 12979.89, up 3.36% [1] Top Performers - Huihan Co., Ltd. (301600) closed at 134.60, up 20.00% with a trading volume of 74,600 shares and a transaction value of 956 million [1] - Shuguang Digital Innovation (872808) closed at 103.61, up 13.76% with a trading volume of 103,100 shares [1] - Zhongke Shuguang (603019) closed at 92.09, up 10.00% with a trading volume of 895,200 shares [1] - Chunzong Technology (603516) closed at 137.09, up 10.00% with a trading volume of 148,600 shares [1] Market Capital Flow - The computer equipment sector saw a net inflow of 2.906 billion yuan from institutional investors, while retail investors experienced a net outflow of 1.306 billion yuan [2] - The main stocks with significant net inflows included Zhongke Shuguang with 1.795 billion yuan and Langchao Information with 629 million yuan [3] Individual Stock Performance - Huihan Co., Ltd. had a net inflow of 112 million yuan from institutional investors, but a net outflow of 130 million yuan from retail investors [3] - Zhongke Shuguang had a net inflow of 1.795 billion yuan, representing 22.61% of its total trading volume [3] - Langchao Information experienced a net inflow of 629 million yuan, accounting for 8.48% of its trading volume [3]

Core Insights - Huihan Co., Ltd. has shown a slight increase in stock price by 0.82% on September 10, with a trading volume of 99.52 million yuan [1] - The company reported a net financing outflow of 5.17 million yuan on the same day, with a total financing and securities balance of 214 million yuan [1][2] - For the first half of 2025, Huihan Co., Ltd. achieved a revenue of 451 million yuan, representing a year-on-year growth of 4.84%, and a net profit of 93.83 million yuan, up 26.33% year-on-year [2] Financing and Trading Activity - On September 10, the financing buy amount was 8.63 million yuan, while the financing repayment was 13.80 million yuan, resulting in a net financing buy of -5.17 million yuan [1] - The current financing balance of 214 million yuan accounts for 7.29% of the company's market capitalization [1] - The short selling activity on the same day included a repayment of 300 shares and a sale of 100 shares, with a total selling amount of 11,200 yuan [1] Company Overview - Huihan Co., Ltd. is located in Fuzhou, Fujian Province, and was established on July 11, 2008, with its listing date set for September 11, 2024 [1] - The company's main business involves the research, development, production, and sales of vehicle networking smart terminals and IoT smart modules, along with providing software and technical services [1] - The revenue composition of the company includes 74.71% from vehicle networking smart terminals, 18.17% from IoT smart modules, 7.00% from software and services, and 0.12% from other sources [1] Shareholder and Institutional Holdings - As of June 30, 2025, the number of shareholders for Huihan Co., Ltd. reached 14,600, an increase of 5.43% from the previous period [2] - The average number of circulating shares per shareholder increased by 41.32% to 1,791 shares [2] - The top circulating shareholder is the Southern CSI 1000 ETF, holding 292,600 shares, while Hong Kong Central Clearing Limited is the third-largest shareholder with 251,100 shares, a decrease of 11,700 shares from the previous period [2]

Core Viewpoint - Huihan Co., Ltd. experienced a decline of 4.78% in stock price on September 8, with a trading volume of 212 million yuan, indicating potential market volatility and investor sentiment concerns [1]. Financing Summary - On September 8, Huihan Co., Ltd. had a financing buy-in amount of 23.69 million yuan and a financing repayment of 31.52 million yuan, resulting in a net financing outflow of 7.83 million yuan [1]. - As of September 8, the total financing and securities lending balance for Huihan Co., Ltd. was 212 million yuan, with a current financing balance of 211 million yuan, accounting for 7.02% of the circulating market value [1]. - The company had a securities lending repayment of 300 shares on September 8, with no shares sold, and a remaining securities lending balance of 4,800 shares valued at 552,800 yuan [1]. Business Performance - As of June 30, the number of shareholders for Huihan Co., Ltd. was 14,600, an increase of 5.43% from the previous period, with an average of 1,791 circulating shares per shareholder, up by 41.32% [2]. - For the first half of 2025, Huihan Co., Ltd. reported a revenue of 451 million yuan, representing a year-on-year growth of 4.84%, and a net profit attributable to shareholders of 93.83 million yuan, reflecting a growth of 26.33% [2]. - Since its A-share listing, Huihan Co., Ltd. has distributed a total of 175 million yuan in dividends [2]. Shareholding Structure - As of June 30, 2025, the largest circulating shareholder of Huihan Co., Ltd. was the Southern CSI 1000 ETF, holding 292,600 shares as a new shareholder [2]. - The third-largest circulating shareholder was Hong Kong Central Clearing Limited, holding 251,100 shares, which decreased by 11,700 shares compared to the previous period [2]. - Other notable shareholders included the Huaxia CSI 1000 ETF and West China Event-Driven Stock A, both of which were new entrants in the top ten circulating shareholders [2].