闽发铝业：主营业务和产品主要是建筑铝型材、工业铝型材和建筑铝模板的研发、生产、销售

Core Viewpoint - The company focuses on the research, production, and sales of architectural aluminum profiles, industrial aluminum profiles, and aluminum formwork for construction, aiming to enhance investor returns through business growth [1] Group 1 - The company's main business includes architectural aluminum profiles, industrial aluminum profiles, and aluminum formwork for construction [1] - The company plans to continue focusing on its core business and steadily advance investments [1] - The company aims to drive value enhancement through business growth [1]