Core Viewpoint - The article highlights the ongoing enthusiasm of institutional investors in A-share listed companies, with significant stock price increases observed in several companies following recent institutional research activities [3]. Group 1: Institutional Research and Stock Performance - As of February 6, 113 A-share listed companies disclosed institutional investor research records, with 50% of these companies experiencing stock price increases [3]. - Notable stock performers include ZeRun New Energy with a 70.84% weekly increase, followed by Euro-Lai New Materials at 32.25%, and Triangle Defense at 19.14% [3]. - Companies such as ZeRun New Energy, Euro-Lai New Materials, and Guoneng Rixin have recently reached historical stock price highs [3]. Group 2: Company-Specific Developments - Naipu Mining Machine terminated its investment in overseas mining projects, citing significant changes in equity transfer conditions and increased risks associated with Colombia's political and economic environment [5]. - The total investment amount for the terminated project was $146 million (approximately 1.02 billion RMB), representing 56% of Naipu's net assets [5]. - Naipu plans to focus on strengthening its core business in mineral processing and will consider investment opportunities in stable regions like Central Asia and Southeast Asia [5]. Group 3: Market Trends and Customer Insights - Naipu Mining Machine noted a significant increase in downstream customers' willingness to increase capital expenditures, driven by the production ramp-up of Zijin's Jilong Copper Mine [6]. - The processing capacity of the mine is expected to increase from 45 million tons to over 105 million tons, positively impacting Naipu's sales of complete machines and aftermarket consumables [6]. Group 4: Ringxu Electronics' Performance - Ringxu Electronics reported a 5.3% quarter-over-quarter decline in Q4 2025 revenue, with a year-over-year decline of 6.8%, primarily due to decreased material procurement costs and a downturn in the automotive and electronics sectors [7]. - The company anticipates growth in AI accelerator card revenues, driven by strong demand from CSP customers, and is actively engaging with clients for AI server motherboard opportunities [7]. - Ringxu believes that rising storage prices will enhance the competitiveness of its major clients' products in the consumer electronics market [7]. Group 5: Dajin Heavy Industry's Offshore Base - Dajin Heavy Industry hosted 109 institutional investors to discuss its offshore engineering base, which aims to become a world-class factory for large-scale offshore wind foundation structures [9]. - The base will have an annual design capacity of 500,000 tons and will address industry challenges related to high costs and low delivery efficiency in offshore wind development [9]. - Dajin plans to enhance local assembly capabilities and service levels through its overseas terminal layout in Denmark, Germany, and Spain, improving project delivery and profitability [9].

以下文章来源于e公司 ，作者证券时报 聂英好 上周机构调研热情不减，Wind数据显示，截至2月6日16时，共有113家A股上市公司披露机构投资者调研记录。从赚钱效应来看，五成机构调研公司上 周股价上涨，泽润新能以70.84%周涨幅位居榜首，欧莱新材涨32.25%，三角防务涨19.14%，锐明技术、三夫户外、亚玛顿、国能日新、惠而浦等公司涨 超10%，其中泽润新能、欧莱新材、国能日新、环旭电子、通达创智等公司近期股价创历史新高。 热门标的方面，耐普矿机、环旭电子、大金重工上周接受百家以上机构调研，奥比中光、华大智造、国能日新、锐明技术等公司接受50家以 上机构调研。 耐普矿机终止投资海外矿山项目 耐普矿机（ 300818 ）上周接受113家机构调研。2月3日晚间，耐普矿机公告将终止认购瑞士维理达资源股权，并同步放弃对哥伦比亚 Alacran铜金银矿项目的后续投资，引发机构关注。 对于终止投资哥伦比亚矿山项目的原因，耐普矿机在调研中称，一是股权交割条件发生较大变动，收购款项支付条款发生较大变化，增加项 目未来风险；二是项目资源所在国哥伦比亚的政治、经济环境、政策、法律法规变化风险上升；三是公司风险承受能力有限，本 ...

Group 1 - The enthusiasm for institutional research on listed companies remains high, particularly in the machinery, electronics, power equipment, and basic chemicals sectors [1] - Over 700 companies have been researched by institutions this year, with Daikin Heavy Industries receiving the highest number of institutional inquiries at 318 [2][4] - This week, both Naipu Mining and Huanxu Electronics were the most researched companies, each receiving inquiries from 113 institutions [2][6] Group 2 - The top ten A-share listed companies by the number of institutional inquiries this year include Daikin Heavy Industries, Naipu Mining, and Xiangyu Medical, with 318, 211, and 208 inquiries respectively [4] - Naipu Mining's research focused on its competitive barriers in forged composite liners and future investments in mineral resources, indicating a dual development strategy [7] - Huanxu Electronics received significant attention from multiple fund companies, with 113 institutional inquiries, including 33 from securities firms and 32 from fund companies [11][12] Group 3 - Huanxu Electronics is focusing on three business lines: computing power boards, optical communication, and server power supply, which align with its parent company's future advanced packaging technology layout [14] - The company aims to enhance its service to top clients in the computing power board sector by integrating with its parent company's chip packaging [14] - In the optical communication sector, Huanxu Electronics is targeting business opportunities in optical components, while also considering partnerships for server power supply to better serve North American clients [14][15]

Core Viewpoint - Institutional interest in listed companies remains high, particularly in the machinery, electronics, power equipment, and basic chemicals sectors, with notable frequency of research in the electronics and power equipment industries [1]. Group 1: Institutional Research Activity - Over 700 companies have been researched by institutions this year, with Daikin Heavy Industries receiving the highest number of institutional inquiries at 318 [3]. - This week, both Naipu Mining and Huanxu Electronics were the most researched companies, each receiving 113 institutional inquiries [2][4]. Group 2: Top Companies by Institutional Research - The top ten A-share companies by the number of institutional inquiries this week include: 1. Naipu Mining (113 inquiries) - Industrial Machinery 2. Huanxu Electronics (113 inquiries) - Electronic Manufacturing Services 3. Daikin Heavy Industries (109 inquiries) - Heavy Electrical Equipment 4. Aobi Zhongguang (76 inquiries) - Electronic Equipment and Instruments 5. BGI Genomics (73 inquiries) - Life Science Tools and Services 6. Guoneng Rixin (72 inquiries) - Application Software 7. Ruiming Technology (67 inquiries) - Electronic Equipment and Instruments 8. Huatong Cable (48 inquiries) - Electrical Components and Equipment 9. Hebei Steel Resources (41 inquiries) - Non-metallic Metals 10. Huarui Precision (39 inquiries) - Industrial Machinery [4]. Group 3: Focus Areas of Institutional Research - During the research on Naipu Mining, institutions showed interest in the competitive barriers of the company's forged composite liners, future investments in mineral resources, and the reasons for terminating the investment in the Colombian mining project [5]. - For Huanxu Electronics, institutions focused on the company's future business synergies and how the group plans to build core competitiveness, as well as which businesses Huanxu Electronics and its subsidiary Guangchuang will focus on [6][8]. Group 4: Business Strategies and Developments - Huanxu Electronics is focusing on three business lines in the AIDC sector: computing power boards, optical communication, and server power supply, all of which are related to the parent company’s future layout in advanced packaging technology [8]. - The company aims to leverage its computing power board business to better serve top clients by aligning with the parent company's plans for computing chip packaging [8]. - In the optical communication sector, Huanxu Electronics is starting with optical modules and aims to explore business opportunities in optical components within optical-electrical co-packaging [8][9].

Group 1 - A total of 129 listed companies were investigated by institutions from February 2 to February 6, with Nepean Mining and Huanxu Electronics receiving the most attention, involving 113 institutions [1] - Dajin Heavy Industry, Obi Photonics-UW, and BGI Genomics were investigated by 109, 76, and 73 institutions respectively [1] - Weichai Heavy Machinery and Jereh Group received 4 institutional investigations, while Hai'an Group and COFCO Technology were investigated 3 times [1] Group 2 - Institutions continue to focus on sectors such as industrial machinery, electrical components and equipment, and integrated circuits [1]

Market Performance - On February 6, A-shares saw declines across major indices, with the Shanghai Composite Index down 0.25% to 4065.58 points, the Shenzhen Component Index down 0.33% to 13906.73 points, and the ChiNext Index down 0.73% to 3236.46 points [1] - The chemical raw materials, fluorine chemicals, and robotic actuators sectors performed well, while AI corpus, liquor, and ByteDance-related sectors experienced declines [1] Fund Manager Changes - On February 6, 21 fund managers experienced changes in their positions, with a total of 595 fund products seeing manager departures in the past 30 days [3][5] - The reasons for these changes included personal reasons for one manager and job changes for five others [3] Fund Manager Appointments - On February 6, 28 fund products announced new fund manager appointments, involving 15 managers [5] - Notably, manager Xia Gao from Dachen Fund has a total fund asset scale of 2.169 billion, with a top-performing product achieving a return of 259.08% over 10 years [5] Fund Research Activity - In the past month (January 7 to February 6), Bosera Fund conducted the most company research, engaging with 64 listed companies, followed by Huaxia Fund with 56 and Fortune Fund with 51 [7] - The most researched industry was general equipment, with 218 instances, followed by the chemical products industry with 193 [7] Recent Research Focus - In the last week (January 30 to February 6), the most researched company was Yintang Zhikong, with 61 fund institutions participating in the research [8] - The second most researched companies included Zhongji Xuchuang and Jingke Energy, with 59 and 49 fund institutions respectively [8]

Market Performance - On February 5, the A-share market indices collectively declined, with the Shanghai Composite Index falling by 0.64% to 4075.92 points, the Shenzhen Component Index dropping by 1.44% to 13952.71 points, and the ChiNext Index decreasing by 1.55% to 3260.28 points [1] Fund Manager Changes - On February 5, a total of 19 fund managers experienced changes in their positions, with 584 fund products having manager changes in the past 30 days [3][4] - The reasons for the changes included one manager leaving due to the end of an agency role and four managers departing due to job changes [3] Fund Manager Appointments - On February 5, 39 fund products announced new fund manager appointments, involving 14 fund managers [5] - Notably, Chen Xinyu from Guolian Fund has managed funds with a total asset scale of 1.579 billion, achieving a return of 85.05% on the Guolian Zhixuan Pioneer Stock A fund during his tenure [5] Fund Company Research Activity - In the past month (January 6 to February 5), Bosera Fund conducted the most company research, engaging with 62 listed companies, followed by Huaxia Fund with 56 and Southern Fund with 46 [6][7] - The chemical products industry was the most researched sector, with 216 instances of fund company inquiries, followed by the general equipment industry with 211 [7] Recent Fund Research Focus - In the last week (January 29 to February 5), Ying Tang Zhi Kong was the most researched company, receiving inquiries from 61 fund institutions, followed by Zhong Ji Xu Chuang and Jing Ke Neng Yuan with 59 and 49 inquiries, respectively [8][9]

Group 1 - The core viewpoint of the article is that Nepean Mining (300818.SZ) has developed a globally innovative forged composite liner, with no current competitors offering similar products [1] Group 2 - The company was asked about the competitive barriers for its forged composite liners, indicating a strong market position due to the uniqueness of its product [1]

Core Viewpoint - Nepean Mining has terminated its investment in a Colombian mining project due to significant changes in equity transfer conditions, increased geopolitical risks, and the substantial impact on the company's future operations from the investment amount of approximately $14.59 million (about 1.02 billion RMB), which accounts for 56% of the company's net assets [1] Group 1: Company Overview - Nepean Mining was established on October 14, 2005, primarily engaged in the manufacturing of specialized equipment [3] - As of January 30, 2026, the number of shareholders in Nepean Mining has increased to 11,640, with an average holding value of 592,400 RMB and an average shareholding of 14,500 shares [3] Group 2: Investment Strategy - The company continues to implement a dual development strategy, focusing on strengthening its core business in mining wear parts while also seeking investment opportunities in mineral resources, prioritizing stable political regions such as Central Asia and Southeast Asia [2] - Current high prices for copper and gold are leading to increased capital expenditure willingness among downstream customers, which is expected to boost sales of the company's machinery and consumables [2] Group 3: Product Development and Global Expansion - Nepean Mining has introduced a second-generation forged liner to major overseas mining companies, a globally innovative product with no current competitors [2] - The company has been expanding its global footprint for five years, with a factory in Zambia expected to be operational by October 2024, a nearly completed facility in Chile, and a factory in Peru projected to be capable of production by 2027, aiming for a global production capacity of 3 billion RMB [2]

Group 1 - The company will continue to implement a dual development strategy, focusing on both enhancing its global production layout and strengthening its core business in mineral processing wear parts [2] - The company will also pay attention to investment opportunities in the mineral resources sector, prioritizing stable political regions such as Central Asia and Southeast Asia for potential investments [2] - Investments will be made in accordance with the company's risk tolerance and will be of appropriate scale [2]