Group 1: Business Impact and Market Trends - The company's market share has been increasing post-collective procurement, but the profit margin for 2024 is still lower than before the policy implementation [1] - Since 2021, the orthopedic consumables have achieved full national procurement coverage across four major product categories: joints, spine, trauma, and sports medicine, leading to increased industry concentration [2] Group 2: Core Competitiveness - The company focuses on innovation and R&D as a core driver, increasing investment to meet clinical needs with high-quality products, which helps to enhance market share [2] - Technical services play a crucial role, with regular training for distributors to ensure high product and clinical compatibility [2] - The company leverages economies of scale to gradually reduce costs [2] Group 3: R&D Investment - R&D investment has increased due to a decline in overall revenue post-collective procurement, while maintaining previous investment levels [3] - The company invests in various orthopedic fields, including trauma, spine, joints, and sports medicine, as well as non-orthopedic areas like dental and neurosurgery [3] Group 4: Capital Expenditure Plans - The company completed its refinancing project by the end of 2024 and has no large-scale capital expenditure plans currently, having passed the peak of construction [4] Group 5: Robotics and International Market - The knee joint robot has begun clinical applications, with ongoing efforts to register other orthopedic robots [5] - The company exported products to over 60 countries, with overseas revenue of approximately 217 million yuan in 2024, accounting for 10.16% of total revenue [7] - The company is open to acquisitions to enhance its international market competitiveness [7] Group 6: Future Planning - The company aims to achieve higher market shares in trauma, spine, joints, and sports medicine, targeting top positions in each field [8] - Plans to strengthen market expansion in countries along the "Belt and Road" initiative and in Europe and the United States [8] Group 7: Infrastructure and Logistics - The company has established a logistics network across most prefecture-level cities in China, enhancing its core competitiveness [9] - Investment in logistics and digital platforms will continue, although the pace is slowing down as the construction phase concludes [9]

Group 1: Company Overview - Zhejiang Jingu Co., Ltd. is a high-tech enterprise focused on the research, production, and sales of automotive wheels, recognized as a "specialized, refined, distinctive, and innovative" enterprise in Zhejiang Province [3] - The company emphasizes technological innovation and product development, with a comprehensive research and development system [3] - The revolutionary new material, niobium micro-alloy, developed by the company, offers high strength (up to 2000 MPa), good toughness, low cost, and reduced carbon emissions, making it suitable for various applications [3] Group 2: Product Highlights - The company's Avatar low-carbon wheel is a lightweight product characterized by innovative design, high precision, strength, better balance, and durability, meeting customer demands in both passenger and commercial vehicle sectors [3] - The Avatar low-carbon wheel has gained traction in the new energy vehicle market, with multiple contracts from new energy vehicle manufacturers [3] - The company is accelerating capacity construction to meet increasing customer demand, leveraging its first-mover and scale advantages [3] Group 3: Financial Performance - For the first half of 2025, the company expects a net profit attributable to shareholders of approximately 30 million to 45 million yuan, representing a year-on-year growth of 44.06% to 116.08% [4] - The net profit after deducting non-recurring gains and losses is projected to be between 25 million and 37.5 million yuan, with a year-on-year increase of 58.09% to 137.14% [4] - The growth in performance is primarily driven by the positive performance of both traditional wheels and Avatar low-carbon wheels, with significant contributions from the latter [4] Group 4: Future Plans and Innovations - The company plans to enhance its research and development efforts in new materials and technologies, exploring applications in industries such as robotics and low-altitude aircraft [5] - There are plans for overseas expansion of the Avatar production line to better serve customers and meet growing order demands [5] - The company aims to improve its capacity layout based on market demand and existing orders, while also actively exploring overseas markets [5]

Group 1: Sales and Market Position - The company primarily sells compound fertilizers through a network of nearly 6,000 first-level distributors and over 100,000 retail outlets across rural areas in China [2] - The company has established overseas marketing networks in Southeast Asia, including Malaysia, Thailand, and Vietnam, enhancing its market presence [2] - The company aims to improve its market share by optimizing channel structures and enhancing service quality [2] Group 2: Industry Outlook - China's grain production is expected to exceed 1.4 trillion jin by 2024, supported by the national food security strategy, which will provide long-term demand for compound fertilizers [3] - The compound fertilizer industry is experiencing consolidation, with market share shifting towards leading enterprises due to increased competition and regulatory pressures on smaller firms [3] - The company is confident in the future growth of the compound fertilizer market driven by the modernization of agriculture and the rising demand for high-efficiency fertilizers [2][3] Group 3: Phosphate Utilization and Production - The company has established a complete phosphate utilization chain, producing various grades of phosphoric acid and ammonium phosphate, enhancing resource utilization [4] - The company’s phosphate rock resources total approximately 549 million tons, with planned mining capacity of 6.9 million tons per year [5] - The mining projects are progressing well, with specific timelines for production expected to be announced in future company disclosures [5] Group 4: Ammonia Project Development - The company’s ammonia project has a planned capacity of 2.7 million tons, with significant progress in construction at both the Hubei and Guangxi sites [4] - The project is expected to enhance the company's cost advantages and resource self-sufficiency, thereby strengthening its market position [4] - The Guangxi project will fill a production gap in southern China, supporting the expansion of the company's compound fertilizer market [5]

Group 1: Brain-Computer Interface (BCI) Developments - The first successful case of an interventional brain-computer interface in China was completed on June 14, helping a hemiplegic patient regain motor function [2][3] - This technology demonstrates China's independent innovation capabilities in BCI, marking a significant step in precise control, neural reconstruction, and intelligent rehabilitation [3] - Compared to invasive BCIs, interventional BCIs reduce trauma and recovery time, enhancing safety, although they capture lower intracranial EEG signals [3] Group 2: New Hospital Districts Progress - Beijing Sanbo is planning a new district with 480 beds, expected to be operational by Q1 2026, to improve service capacity [4] - The Kunming Sanbo district relocated in May 2025, upgrading facilities and introducing advanced medical equipment, enhancing diagnostic capabilities [4] - The Xi'an Sanbo district is awaiting fire safety approval to commence operations [4] - The Hunan Sanbo district is under construction, with plans for future opening [4] Group 3: Financial and Operational Insights - In Q1 2025, Beijing Sanbo's medical insurance revenue accounted for approximately 30%, with other hospitals showing higher percentages, such as Chongqing Sanbo at 66% [8] - New hospital districts are expected to increase business scale and revenue post ramp-up period, enhancing overall profit levels [5][9] Group 4: Strategic Development and Mergers - The company aims to establish over 10 group-controlled hospitals nationwide, focusing on key regions to expand its service radius and enhance industry influence [6] - Mergers will target neuro-specialty and general hospitals, particularly in the Yangtze River Delta and Pearl River Delta regions [6] Group 5: Talent Development and Training - The talent training system includes local recruitment, training in Beijing, and incentives for high-end talent to join as entrepreneurs [7] - The company provides a comprehensive platform for professional development and complex case management [7] Group 6: ESG and Community Engagement - The company engages in social responsibility by providing financial aid to impoverished patients and conducting free clinics in remote areas [13] - A new brain health community initiative was launched in May 2025, focusing on a full-service system from prevention to rehabilitation [13] Group 7: Impact of Policies and Regulations - The inclusion of certain BCI projects in the medical insurance guidelines is expected to have a long-term positive impact on revenue [14] - DRG payment systems have varying effects on different hospital types, with specialized hospitals facing less impact due to the complexity of cases [14] Group 8: Clinical Applications of BCI - Current clinical applications of BCI are in the experimental phase, focusing on neuro-regulation for conditions like Parkinson's and epilepsy [15] - Ongoing research includes potential applications for awakening patients in a vegetative state and rehabilitation for stroke victims [15]

周大生珠宝股份有限公司 投资者关系活动记录表 投资者关系活动类别 □特定对象调研 □分析师会议 □媒体采访 □业绩说明会 □新闻发布会 □路演活动 ☑现场参观 □其他(电话会议) 参与单位名称 及人员姓名 共计 3 位投资者（排名不分先后）： 高毅资产：王治璇 国泰海通：李宏科、张冰清 时 间 2025 年 7 月 8 日 地 点 总部会议室 上市公司接待人员 姓名 证券事务代表：荣欢 投资者关系活动 主要内容介绍 一、 问答环节： 投资者主要就行业情况、国家宝藏、毛利率情况、分红等问题进行 了交流，并参观了公司展厅，可参阅前次活动记录表之问答和已披露公 告。 接待过程中，公司严格按照《信息披露管理制度》等规定，保证信 息披露的真实、准确、完整、及时、公平，没有出现未公开重大信息泄 露等情况。同时，现场调研的投资者已按深交所要求签署承诺函。 附件清单（如有） 无 日期 2025 年 7 月 8 日 代码：002867 证券简称：周大生 编号：2025-030 ...

Group 1: Company Overview - The company primarily engages in the research, production, and sales of automotive motor technology and fluid technology products, aiming to become a global leader in automotive motor technology solutions [2] - The main production base is located in Ningbo, with additional production bases established in locations such as Qingyuan, Shenyang, Wuhan, the USA, and Thailand to serve distant customers [3] Group 2: Financial Performance - In 2024, the company's main business revenue reached 950.51 million CNY, with the cleaning business accounting for 46.3%, motor business for 45.6%, and other businesses for 8.1% [3] Group 3: Market and Product Insights - The traditional cleaning business has established a certain market share domestically, with growth primarily dependent on acquiring new customers [4] - The company has secured projects for active cleaning systems, with an expected production capacity of 250,000 units per year based on mass production progress [4] - Active perception cleaning systems are designed for advanced autonomous driving, requiring more complex and higher-value products compared to traditional systems [5] Group 4: Profitability and Challenges - Profit margins are subject to fluctuations due to market conditions, business structure, exchange rate changes, and raw material prices [6] - The cleaning system's profit margin is significantly influenced by market dynamics, while the motor and cleaning pump products maintain relatively stable margins even in challenging periods [6] Group 5: Research and Development - The company has developed a skilled R&D team with expertise in mechanical, electronic, control, industrial software, sensors, and intelligent manufacturing [8] - The core R&D team possesses extensive industry experience, and the company actively recruits external talent to enhance its capabilities [8]

Group 1: Iodine Resource Distribution and Applications - The global iodine industry shows a clear regional distribution, with major production concentrated in Chile, Japan, and the United States. Chile is the largest iodine producer due to its unique nitrate mineral resources [2] - Iodine and iodides serve as essential functional raw materials across various industries, including pharmaceuticals, electronics, and chemicals. In the pharmaceutical sector, iodides are crucial for producing contrast agents, disinfectants, and antibiotics [3] Group 2: Company Development Plans - The company aims to integrate its main business with resource utilization, focusing on "technological innovation and green development" as strategic goals. It emphasizes collaborative innovation between industry and academia to reduce costs and enhance efficiency [3] - Future plans include increasing investment in technology research and development, particularly in the fine chemical sector, with a focus on pharmaceuticals. The company seeks to leverage opportunities from the new development pattern of domestic and international dual circulation [3]

Group 1: Company Overview and Business Segments - The company focuses on providing advanced system solutions and lifecycle services in the energy and power sectors, with products including compressors and heat exchangers, covering a temperature range of -271°C to 200°C [2] - The product matrix includes various types of compressors and heat management systems, showcasing significant technical advantages and market performance, particularly in the Beijing Winter Olympic Village project [2] - Key customer industries include food freezing and cold chain logistics, chemical production, commercial air conditioning, and industrial special air conditioning [2] Group 2: Innovations in Nuclear Fusion and Low-Temperature Applications - The company developed a helium compressor for superconducting magnets used in nuclear fusion devices, filling a domestic gap since 2016 [2] - The helium compressor is part of a large low-temperature refrigeration system that can achieve near absolute zero conditions, supporting major scientific research projects [2] - The company’s helium compressors are recognized as significant technological equipment in the energy sector by the National Energy Administration [2] Group 3: Data Center Solutions - The company provides cooling equipment for data centers through its subsidiaries, including variable frequency centrifugal chillers and integrated natural cooling systems [3] - Successful projects include collaborations with major data centers across China and partnerships with local integrators in North America, Australia, Southeast Asia, and the Middle East [3] Group 4: Nuclear Power Industry Applications - The company has developed innovative technologies for nuclear power cooling and heat recovery, supporting the safe and efficient operation of nuclear power plants [4] - Recent projects include services for multiple nuclear power stations in China, focusing on core cooling and energy supply [4] Group 5: Industrial Heat Management - The company has launched comprehensive industrial heat control solutions, integrating advanced technologies for energy recovery and utilization [6] - The subsidiary Beijing Huayuan Taime Energy Equipment has been recognized as a national-level "little giant" enterprise, holding numerous patents and awards for its innovative technologies [6] Group 6: Marine Economy and Refrigeration Systems - The company is a leader in the marine refrigeration market, providing solutions for deep-sea fishing and seafood processing [7] - Recent initiatives include developing low-carbon energy systems for marine applications, aligning with national strategies for high-quality marine economic development [7] Group 7: Competitive Advantages - The company’s competitive edge lies in continuous technological innovation, with multiple national recognitions and a strong focus on research and development [7] - It has established a central research institute to enhance foundational and strategic technology development, further solidifying its industry leadership [7]

Group 1: Company Overview and Business Segments - The company focuses on providing advanced system solutions and lifecycle services in the energy and power sectors, with products including compressors and heat exchangers, covering a temperature range of -271°C to 200°C [2] - The company has developed a full range of magnetic levitation compressor products, showcasing significant technological advantages and market performance, particularly in the Beijing Winter Olympic Village project [2] - Key customer industries include food freezing and refrigeration, chemical production, commercial air conditioning, and industrial special air conditioning [2] Group 2: Innovations in Nuclear Fusion and Low-Temperature Applications - The company successfully developed a helium compressor for low-temperature applications in 2016, filling a domestic gap and supplying the Chinese Academy of Sciences [2] - The helium compressor is crucial for superconducting magnet cooling systems, enabling the creation of near absolute zero environments [2] - The company’s helium compressors are included in the first batch of major technological equipment projects recognized by the National Energy Administration [2] Group 3: Data Center Solutions - The company provides cooling equipment for data centers through its subsidiaries, including variable frequency centrifugal chillers and integrated natural cooling systems [3] - Successful projects include collaborations with major data centers across China and partnerships with local integrators in North America, Australia, Southeast Asia, and the Middle East [3] Group 4: Nuclear Power Industry Products - The company focuses on core scenarios in nuclear power, developing innovative technologies for nuclear island cooling and heat recovery [4] - It has provided services to multiple nuclear power stations in China, enhancing safety and efficiency in energy utilization [4] Group 5: Industrial Heat Management - The company has launched comprehensive industrial heat control solutions, integrating advanced technologies for energy recovery and utilization [6] - It has been recognized as a national-level specialized "little giant" enterprise, with numerous patents and awards for its innovative technologies [6] Group 6: Marine Economy and Refrigeration Systems - The company is a leader in the marine refrigeration market, providing solutions for deep-sea fishing and seafood processing [7] - It has developed low-carbon energy systems for marine applications, aligning with national strategies for high-quality marine economic development [7] Group 7: Competitive Advantages - The company’s competitive edge lies in continuous technological innovation, with multiple national recognitions and awards for its products and technologies [7] - It has established a central research institute to strengthen foundational and strategic technology development, further solidifying its industry leadership [7]

Group 1: MED Project Overview - The MED project aims to develop micro electric-chamber display technology, which is a type of electronic paper display that relies on ambient light for information display, offering advantages such as low power consumption and high contrast [4][5][6]. - The project is positioned in the mid-to-large size color electronic paper market, targeting applications in electronic labels, e-books, and various display terminals [5][10]. Group 2: Market Potential and Growth - The global electronic paper display market is projected to reach $72.3 billion by 2025, with an annual growth rate exceeding 50% [11]. - The demand for color electronic paper displays is expected to surge, with 2023 marking the beginning of significant industrial applications [10][11]. Group 3: Technical and Production Capabilities - The company has established a pilot production line for mid-size MED modules and has successfully created multiple product samples [13][14]. - The project includes the construction of a new R&D center focused on developing high-performance color electronic paper displays and integrated touch display technologies [14][15]. Group 4: Financial and Investment Aspects - The total investment for the MED project is estimated at RMB 9 billion, with RMB 8.3 billion allocated for construction and RMB 700 million for working capital [19]. - The company has completed the capital contributions from shareholders, amounting to RMB 5.5 billion, and plans to secure a RMB 3.5 billion syndicated loan by September 2024 [19][21]. Group 5: Challenges and Risks - The project faces challenges related to the maturity of color electronic paper display technology and the high costs associated with production [16][21]. - The company anticipates that the MED project will impact profitability during the construction phase due to increased operational and development costs [21][23]. Group 6: Future Outlook - The company aims to achieve small-scale production of MED products by the second half of 2025, focusing on educational and outdoor applications [17][19]. - The MED project is expected to enhance the company's core competitiveness and expand its international market presence [6][10].