Core Viewpoint - The stock price of Shengyi Technology is currently at 40.32 yuan, showing a slight decline of 0.32% from the previous trading day, with significant trading volume and market capitalization indicating its strong position in the PCB industry [1] Company Summary - Shengyi Technology specializes in the research and production of electronic substrates such as copper-clad laminates and bonding sheets, which are widely used in communication devices, computers, and consumer electronics [1] - The company is a leading supplier of electronic materials in China and holds a significant position in the PCB industry chain [1] - Shengyi Electronics, a subsidiary of Shengyi Technology, is expected to see a substantial increase in performance, with projected revenue growth of 84.98% to 96.73% year-on-year for the first half of 2025 [1] Industry Summary - The number of enterprises with a market value exceeding 100 billion yuan in Guangdong has been increasing, with nine new additions in the past year, highlighting the robust performance of the PCB industry [1] - The development of AI technology is driving demand growth in the PCB industry, indicating that the industry is entering a new development cycle [1] - Shengyi Technology and other companies in the PCB sector have previously seen their market values exceed 100 billion yuan, reflecting the industry's strong market potential [1] Market Activity - On August 6, 2025, the net outflow of main funds for Shengyi Technology was 84.02 million yuan, accounting for 0.09% of its circulating market value [1] - Over the past five days, the main funds have shown a net inflow, totaling 9.24 million yuan [1]

Core Points - The China Securities Index for State-Owned Enterprises in Strategic Emerging Industries has shown significant growth, with a 13.15% increase over the past month and a 21.86% increase over the past three months [1][2] - The index is designed by China Chengtong Holdings Group and includes 50 state-owned enterprises with high growth potential, reflecting the overall performance of representative state-owned companies in strategic emerging industries [1][2] Group 1: Index Performance - The index opened lower but closed higher, with a current value of 1634.48 points and a trading volume of 35.992 billion yuan [1] - Year-to-date, the index has increased by 15.73% [1] Group 2: Index Composition - The top ten holdings in the index include Northern Rare Earth (12.33%), BOE Technology Group (8.71%), and Shengyi Technology (6.52%) [1] - The index is primarily composed of companies listed on the Shanghai Stock Exchange (60.32%), followed by the Shenzhen Stock Exchange (39.53%) and a minimal presence on the Beijing Stock Exchange (0.15%) [1] Group 3: Sector Allocation - The sector allocation of the index shows that Information Technology comprises 39.21%, followed by Industrial (30.22%) and Materials (23.11%) [2] - Other sectors include Communication Services (3.27%), Healthcare (2.49%), Consumer Staples (1.37%), and Utilities (0.32%) [2] Group 4: Index Adjustment Mechanism - The index samples are adjusted biannually, with changes implemented on the next trading day after the second Friday of June and December [2] - In special circumstances, the index may undergo temporary adjustments, such as removing companies that are delisted or involved in mergers and acquisitions [2]

Group 1 - Dongguan's capital market shows unique development trends in 2024, with 63 A-share listed companies, the highest among prefecture-level cities in the province [1] - The total operating revenue of these companies reached 127.37 billion, a year-on-year increase of 2.57%, while net profit was 6.04 billion, down 19.81% [1][2] - 37 companies reported positive revenue growth, accounting for nearly 60%, with Shengyi Technology leading at 20.39 billion, a 22.92% increase year-on-year [2][3] Group 2 - Shengyi Technology's net profit reached 1.739 billion, up 49.37%, benefiting from increased demand in AI computing and PCB product optimization [2][3] - 27 companies invested over 100 million in R&D, with Shengyi Technology leading at 1.157 billion, focusing on new server platform technologies [3] - The electronic information and advanced manufacturing sectors dominate Dongguan's listed companies, accounting for 46.77% of the capital market [3][4] Group 3 - Despite some companies showing strong performance in revenue, net profit, and R&D innovation, others face pressure from declining performance and market challenges [4] - The overall scale of listed companies remains small, indicating a need for further development and integration of the industrial chain [4] - Future strategies for Dongguan's listed companies include continuous innovation and leveraging emerging industry opportunities through mergers and acquisitions [4]

Summary of Conference Call Records Industry Overview - The conference call discusses the North American cloud service providers (CSPs) and the PCB (Printed Circuit Board) industry, particularly focusing on the demand for computing power driven by major tech companies like Google, Meta, Microsoft, and Amazon [1][2][4][5][13]. Key Points and Arguments Capital Expenditure Trends - Major tech companies have significantly increased their capital expenditure forecasts for data centers and cloud infrastructure, indicating a sustained demand for computing power. Amazon's expected capital expenditure for the year is projected to reach between $110 billion and $120 billion [1][4]. - Google raised its 2025 capital expenditure forecast from $75 billion to $85 billion, with further increases expected in 2026 [2]. - Meta's capital expenditure for 2025 is anticipated to be between $66 billion and $72 billion, with a confirmation of an additional $30 billion increase in 2026 [2]. - Microsoft reported a capital expenditure of $24.2 billion for the quarter, with expectations to exceed $30 billion in Q1 2026 [2]. PCB Companies Performance - Core PCB companies are experiencing a tight supply-demand situation, leading to significant stock price increases, reflecting market confidence in the growth of computing power demand [5][6]. - Key recommended PCB companies include: - **沪电 (Hui Dian)**: Expected to triple its output value, with a market capitalization potential of $150 billion to $200 billion, driven by major clients like Google, AWS, Meta, and OpenAI [6][7]. - **鹏鼎 (Peng Ding)**: Benefiting from Apple's hardboard business and flexible computing PCB business, with significant capacity expansion plans [6][7]. - **生益科技 (Sheng Yi Technology)**: Capable of switching over 50% of its capacity to AI-related products, with a strong presence in the North American market [6][7]. Future Outlook - The PCB industry is expected to see explosive growth in computing power demand in 2026, leading to increased tension in the supply chain [5][13]. - 生益电子 (Sheng Yi Electronics) is increasing its exposure in the ASIC field, with significant revenue contributions expected from clients like AWS, Google, and Meta [3][8]. - 深南电路 (Shen Nan Circuit) is positioned to enter the GPU and ASIC supply chains, with promising developments in new technology areas [10][11]. Additional Important Insights - The domestic PCB industry is on an upward trend, with CSP manufacturers continuously raising their capital expenditure expectations, positioning domestic PCB companies as global leaders in technology and capacity expansion [13]. - The anticipated shipment volume of NVIDIA GPU chips is expected to reach 4.5 to 5 million units by 2025, indicating robust growth in the semiconductor sector [14]. - The ASIC server supply chain is primarily dominated by Google and AWS, with Meta expected to increase its involvement starting in 2026 [16]. Conclusion - The conference call highlights a strong growth trajectory for the cloud computing and PCB industries, driven by increased capital expenditures from major tech companies and a tightening supply-demand balance in the PCB market. The outlook for key players in the PCB sector appears promising, with significant opportunities arising from the growing demand for AI and computing power.

Group 1 - The stock price of Shengyi Technology reached 41.11 yuan as of August 4, 2025, with a daily increase of 0.27% and a trading volume of 1.632 billion yuan [1] - Shengyi Technology specializes in the design, production, and sales of copper-clad laminates and bonding sheets, as well as printed circuit boards, with applications in consumer electronics, communication devices, and automotive electronics [1] - On the morning of August 4, the stock price of Shengyi Technology rebounded quickly, with an increase of over 2% within 5 minutes, reaching a high of 40.44 yuan during the trading session [1] Group 2 - On August 4, the net inflow of main funds into Shengyi Technology was 96.4788 million yuan, while the cumulative net outflow over the past five days was 5.758 million yuan [1]

金融界消息 截至2025年8月4日收盘，生益科技（600183）报收于41.11元，上涨0.27%，换手率1.68%， 成交量40.22万手，成交金额16.32亿元。 通过天眼查大数据分析，广东生益科技股份有限公司共对外投资了14家企业，参与招投标项目54次，知 识产权方面有商标信息87条，专利信息1275条，此外企业还拥有行政许可189个。 资金流向方面，今日主力资金净流入9647.88万元，占比成交额5.91%。其中，超大单净流入4094.04万 元、占成交额2.51%，大单净流入5553.84万元、占成交额3.4%，中单净流出流出2834.65万元、占成交 额1.74%，小单净流出6813.23万元、占成交额4.17%。 来源：金融界 生益科技最新一期业绩显示，截至2025一季报，公司营业总收入56.11亿元、同比增长26.86%，归属净 利润5.64亿元，同比增长43.76%，扣非净利润5.60亿元，同比增长44.97%，流动比率1.783、速动比率 1.204、资产负债率39.16%。 天眼查商业履历信息显示，广东生益科技股份有限公司，成立于1985年，位于东莞市，是一家以从事计 算机、通信和其他电 ...

Quantitative Models and Construction Methods - **Model Name**: Real-time Public Fund Positioning **Model Construction Idea**: This model estimates the real-time positioning of public funds based on publicly available market information such as fund net value, disclosed holdings, and research activities[3][20] **Model Construction Process**: The process involves complex data processing of public market information, including fund net value, disclosed holdings, and research activities. Detailed methodology is referenced in the report "偏股混合型基金指数（885001.WI）：优势、复制与超越"[20] - **Model Name**: ETF Fund Positioning **Model Construction Idea**: This model tracks the dynamics of ETF fund holdings as a key indicator of market fund flows, reflecting the growing importance of index investment in the A-share market[3][21] **Model Construction Process**: The model calculates the proportion of ETF holdings relative to the market capitalization of PCB sector stocks. As of Q2 2025, the total scale of public ETF funds exceeded 4.3 trillion yuan, with ETF holdings in the PCB sector at a historical high, accounting for 2.6% of the sector's market capitalization[21][23] - **Model Name**: Financing Balance Dynamics **Model Construction Idea**: This model uses financing balance as a proxy for investor sentiment, where an increase in financing balance indicates a bullish outlook on the market[3][25] **Model Construction Process**: The model tracks the total amount of outstanding financing in margin trading. The PCB sector's financing balance is at a historical high, while the short-selling balance remains at a low level[25][27] - **Model Name**: Chip Yield Characteristics **Model Construction Idea**: This model evaluates the profitability of the PCB sector based on chip yield, which measures the return of current prices relative to historical chip costs. It identifies momentum effects in strong markets and reversal effects in weak markets[3][26] **Model Construction Process**: The model estimates the average holding cost of funds at different price levels and calculates chip yield as the return of current prices relative to historical chip costs. The PCB sector's current profitability is 22.95%[26][28] Model Backtesting Results - **Real-time Public Fund Positioning**: No specific quantitative backtesting results provided - **ETF Fund Positioning**: ETF holdings account for 2.6% of the PCB sector's market capitalization[23] - **Financing Balance Dynamics**: Financing balance is at a historical high, while short-selling balance is at a low level[25][27] - **Chip Yield Characteristics**: Current profitability of the PCB sector is 22.95%[26][28] Quantitative Factors and Construction Methods - **Factor Name**: Chip Yield **Factor Construction Idea**: This factor measures the profitability of the PCB sector based on the return of current prices relative to historical chip costs[3][26] **Factor Construction Process**: The factor is calculated as the return of current prices relative to historical chip costs. It reflects momentum effects in strong markets and reversal effects in weak markets. The PCB sector's current chip yield is 22.95%[26][28] Factor Backtesting Results - **Chip Yield**: Current profitability of the PCB sector is 22.95%[26][28]

A股午后算力硬件股持续调整，PCB、CPO方向领跌，景旺电子、生益科技、源杰科技、东田微、东山 精密、深南电路均跌超5%，沪电股份、鹏鼎控股、新易盛、太辰光等跌幅靠前。 ...

内容概况：中国是全球光电耦合器件的重要市场之一。近年来，随着通信、电力、工业控制等行业的快 速发展，光电耦合器件的市场需求不断增加。同时，技术的不断进步和应用领域的拓展也为光电耦合器 件市场的发展提供了有力支持，光电耦合器件市场规模呈现出稳健的增长态势。数据显示，中国光电耦 合器件行业规模从2019年的19.74亿元增长至2024年的45.19亿元，年复合增长率为18.02%。未来，随着 智能化、数字化、绿色环保技术的发展，光电耦合器件在多个行业的应用需求持续增长。尤其是在工业 自动化、新能源汽车、5G通信、医疗设备等领域，光电耦合器件的应用将进一步扩大。 相关上市企业：华联电子（872122）、沪电股份（002463）、深南电路（002916）、生益科技 （600183）、兆易创新（603986）、光迅科技（002281）、华工科技（000988）、立讯精密 （002475）、烽火通信（600498）、中国通信服务（00552）等。 相关企业：深圳市奥伦德科技有限公司、湖北匡通电子股份有限公司、深圳市卓睿研发有限公司、北京 瑞普北光电子有限公司、深圳市优嘉骏电子有限公司、陕西航晶微电子有限公司等。 关键词： ...

Core Points - The component sector increased by 0.69% on July 31, with Shengyi Electronics leading the gains [1] - The Shanghai Composite Index closed at 3573.21, down 1.18%, while the Shenzhen Component Index closed at 11009.77, down 1.73% [1] Company Performance - Shengyi Electronics (688183) closed at 53.17, up 6.11% with a trading volume of 403,100 shares and a transaction value of 221.3 million [1] - Shengyi Technology (600183) closed at 42.92, up 3.80% with a trading volume of 452,300 shares and a transaction value of 194.4 million [1] - Hongxin Electronics (300657) closed at 29.61, up 3.42% with a trading volume of 478,600 shares and a transaction value of 1.418 billion [1] - Huhua Electric (002463) closed at 56.27, up 3.29% with a trading volume of 836,100 shares and a transaction value of 4.746 billion [1] - Maijie Technology (300319) closed at 11.45, up 3.15% with a trading volume of 514,300 shares and a transaction value of 578 million [1] - Dongshan Precision (002384) closed at 58.49, up 3.14% with a trading volume of 953,500 shares and a transaction value of 5.667 billion [1] - Jianghai Co. (002484) closed at 23.88, up 2.71% with a trading volume of 526,900 shares and a transaction value of 125.5 million [1] - Fangbang Co. (688020) closed at 56.78, up 2.12% with a trading volume of 127,600 shares and a transaction value of 74 million [1] - Qiangda Circuit (301628) closed at 92.46, up 2.05% with a trading volume of 35,300 shares and a transaction value of 329 million [1] - Xingsen Technology (002436) closed at 18.96, up 1.99% with a trading volume of 2,621,600 shares and a transaction value of 506.47 million [1] Fund Flow - The component sector experienced a net outflow of 581 million from main funds, while retail funds saw a net inflow of 431 million [3] - Speculative funds had a net inflow of 150 million [3]