Core Viewpoint - The company, Dazhongnan (002263.SZ), has indicated that its BOPET film is a base film product, and its specific application areas and customer situations depend on downstream enterprises [2]. Group 1 - Investors inquired whether the company's downstream film can be used in HJT photovoltaic panels or on solar wings [2]. - The company responded on the investor interaction platform regarding the applicability of its products [2].

证券日报网讯 12月24日，大东南在互动平台回答投资者提问时表示，公司有锂电池及隔膜设备，原有 相关业务，后因产业情况及企业实际予以停产。公司官网中涉及产品宣传并未涉及虚假宣传，后续将继 续根据企业情况及时予以更新。 （文章来源：证券日报） ...

Core Viewpoint - The continuous decline in the number of shareholders for several companies indicates a trend of increasing concentration of shares, with 118 companies experiencing a decrease for more than three consecutive periods, and some like Yihau New Materials seeing a drop for 12 periods [1] Group 1: Shareholder Trends - A total of 513 companies reported their latest shareholder numbers as of December 20, with 118 companies showing a continuous decline in shareholder numbers for over three periods [1] - Yihau New Materials has the lowest shareholder count at 14,402, down 37.94% over 12 periods, while Kute Intelligent has 32,185 shareholders, down 20.89% over 11 periods [1] - Other companies with significant declines include Dalian Heavy Industry and Jinshi Technology, with respective decreases of 11.90% and 13.33% [1] Group 2: Market Performance - Among the companies with declining shareholder numbers, 27 saw their stock prices increase, while 91 experienced declines, with notable gainers including Shibu Testing (up 64.58%), Guoji Precision Engineering (up 45.98%), and Xianglu Tungsten (up 30.68%) [2] - 29 companies outperformed the Shanghai Composite Index, with Shibu Testing, Guoji Precision Engineering, and Xianglu Tungsten achieving relative returns of 65.46%, 48.43%, and 30.96% respectively [2] Group 3: Industry Distribution - The industries with the highest concentration of companies experiencing declining shareholder numbers include basic chemicals (17 companies), machinery and equipment (14 companies), and pharmaceutical biology (12 companies) [2] - The main board has 74 companies with declining shareholder numbers, while the ChiNext board has 44 [2] Group 4: Institutional Interest - In the past month, 17 companies with declining shareholder numbers were investigated by institutions, with Guoji Precision Engineering, Baowu Magnesium, and Shenzhen Huqiang receiving the most attention, with 6, 4, and 2 investigations respectively [2] - The companies with the highest number of institutional participants in their investigations include Yahua Group (61 institutions), Igor (46 institutions), and Sanyuan Biological (32 institutions) [2]

Core Viewpoint - The company, Dazhongnan (002263.SZ), has not yet produced solid-state battery materials, including separators and aluminum-plastic films, and currently focuses on four main product categories: CPP films, BOPET films, BOPP capacitor films, and optical films [1] Group 1 - The company has not started production of solid-state battery materials [1] - Current main products include CPP films, BOPET films, BOPP capacitor films, and optical films [1]

Core Viewpoint - The company, Dazhongnan (002263.SZ), has not yet produced solid-state battery materials, including separators and aluminum-plastic films, and currently focuses on four main product categories: CPP films, BOPET films, BOPP capacitor films, and optical films [1] Group 1 - The company has not started production of solid-state battery materials [1] - Current main products include CPP films, BOPET films, BOPP capacitor films, and optical films [1]

证券日报网讯 12月16日，大东南在互动平台回答投资者提问时表示，公司大股东公开征集转让事宜尚 未进入公开征集阶段。公司子公司宁波万象新投资的镀膜生产线预计于春节前后投产。 （文章来源：证券日报） ...

证券日报网讯12月16日，大东南（002263）在互动平台回答投资者提问时表示，公司子公司宁波万象新 投资的镀膜生产线预计于春节前后投产，订单较为稳定。根据中国证券登记结算有限责任公司提供的数 据，截至2025年12月10日公司股东人数为114687户。大股东公开征集转让事宜如有进展，公司将及时披 露进展公告。 ...

证券日报网讯 12月16日，大东南在互动平台回答投资者提问时表示，根据中国证券登记结算有限责任 公司提供的数据，截至2025年12月10日公司股东人数为114687户。 （文章来源：证券日报） ...

Core Viewpoint - The capacitor base film market is experiencing growth driven by increasing demand from the electric vehicle and renewable energy sectors, with significant market size projections for 2024 and 2025 in both global and Chinese contexts [1][5][7]. Market Size and Projections - The global capacitor base film market is projected to reach 7 billion yuan in 2024, with specific contributions from the electric vehicle sector (2 billion yuan), renewable energy systems (1.6 billion yuan), and industrial equipment and home appliances (3.4 billion yuan) [1][5]. - By 2025, the global market size is expected to grow to approximately 8.1 billion yuan, with the electric vehicle sector contributing around 2.5 billion yuan, renewable energy systems about 2.1 billion yuan, and industrial equipment and home appliances around 3.5 billion yuan [1][5]. - In China, the capacitor base film market is anticipated to reach 4 billion yuan in 2024, with the electric vehicle and renewable energy sectors each contributing 1.4 billion yuan, and industrial equipment and home appliances contributing 1.2 billion yuan [7]. - The Chinese market is projected to grow to approximately 4.6 billion yuan by 2025, with similar contributions from the electric vehicle and renewable energy sectors [7]. Industry Definition and Role - Capacitor base film is a high-stability electronic material made from biaxially oriented polypropylene, characterized by high insulation, uniform thickness, and low dielectric loss [2][5]. - It serves as the core dielectric material in film capacitors, playing a crucial role in energy storage and maintaining stable insulation under high voltage conditions [2][5]. Industry Development Environment - The capacitor base film industry is supported by various government policies aimed at promoting the development of electronic components, renewable energy, and information industries [11]. Competitive Landscape - The international market for film capacitor base film is dominated by manufacturers from Japan and Europe, with companies like Toray, Wacker Chemie, and Mitsubishi leading in technology and market share [14]. - In China, the market has developed a stable competitive landscape with key players including Tongfeng Electronics, Dazhong Southeast, Longchen Technology, and Haiwei Electronics, among others [14][15]. Industry Trends - The capacitor base film industry is facing opportunities from rapid growth in sectors like renewable energy and AI, but also challenges such as high technical barriers and intensified competition in medium-thick films [4]. - The demand for thinner, higher voltage, and higher temperature-resistant capacitor base films is increasing due to the evolving requirements of downstream applications, particularly in electric vehicles and renewable energy systems [17][19].

（文章来源：证券日报） 证券日报网讯大东南11月19日在互动平台回答投资者提问时表示，公司子公司宁波万象与镇海炼化等合 作研发的替代进口的高端电容膜原材料项目产品尚未投产，需进一步提升原材料品质。 ...