南京聚隆：主要从事高性能高分子新材料、先进复合材料的研发、生产制造和销售

Core Viewpoint - Nanjing Julong (300644) is engaged in the research, production, and sales of high-performance polymer new materials and advanced composite materials, with applications across various industries [1] Group 1: Company Overview - The company specializes in high-performance polymer new materials and advanced composite materials [1] - Its products are widely used in sectors such as automotive, new energy vehicles, high-speed rail and rail transportation, communications and electronics, aerospace and low-altitude economy, medical health, and environmental construction engineering [1]