（文章来源：证券日报） 证券日报网讯南山智尚8月28日发布公告，在公司回答调研者提问时表示，2025年上半年，公司超高分 子量聚乙烯纤维产品一等品率持续提高，凭借稳定可靠的品质赢得了客户的广泛认可与信赖，为市场拓 展奠定了坚实基础。与此同时，研发创新工作持续取得突破，通过设备升级与工艺优化，800D产品强 力实现大幅提升，高强产品在整体产品结构中的占比稳步提高，为公司发展提供有力支撑。 ...

Group 1 - The company Nanshan Zhishang announced on August 28 that it has developed a competitive advantage in large-scale production of ultra-high molecular weight polyethylene fiber products, covering specifications from 100D to 2400D and 26cN/dtex to 43cN/dtex [2] - The tendon-related products mainly include round ropes with diameters ranging from 0.5mm to 3mm and flat ropes of 4mm, which are suitable for humanoid robot dexterous hands and joints, as well as medical devices [2] - These products meet the demands for small size and high reliability in connection and traction applications [2]

Group 1 - The ocean economy is a significant driver of GDP growth, with the national marine production value expected to exceed 10 trillion yuan in 2024, accounting for 7.8% of the GDP, and contributing 11.5% to economic growth [1][8] - The government has highlighted "deep-sea technology" in its reports, indicating its importance alongside commercial aerospace and low-altitude economy, suggesting a rapid development potential in deep-sea equipment and exploration [1][8] - The deep-sea technology sector is identified as a key pillar for building a maritime power, encompassing three main areas: deep-sea materials, deep-sea equipment manufacturing, and deep-sea digital applications [3][17] Group 2 - Various provinces and cities are accelerating the development of marine economy, with policies focusing on high-end, intelligent, and green development, and establishing multi-level industrial systems [2][13] - Shanghai's marine industry development plan (2025-2035) proposes a "3+5+X" industrial system, while Guangdong's regulations emphasize support for eight emerging marine industry clusters [2][14] - The deep-sea materials sector is crucial for deep-sea technology, involving structural and buoyancy materials necessary for the development of marine resources, with a focus on high-performance steel, alloy materials, and composite materials [3][21] Group 3 - The deep-sea equipment sector is essential for supporting deep-sea development, facing challenges from complex underwater environments, with significant growth in China's shipbuilding industry, which saw a 13.8% increase in completed shipbuilding volume in 2024 [4][26] - The deep-sea digitalization and intelligence sector is a vital direction for deep-sea technology development, aiming to create a "digital ocean" that enhances marine decision-making and governance through advanced information technologies [5][17] - The report suggests focusing on marine engineering equipment manufacturing, marine equipment components, and marine observation instruments as key areas for investment [4][26]