闽发铝业：公司目前生产光伏用铝型材，但未涉及6G基建铝型材

Group 1 - The company currently produces aluminum profiles for photovoltaic applications but has not engaged in 6G infrastructure aluminum profiles [2] - The aluminum materials for battery trays and other components for new energy vehicles are not directly supplied to automotive manufacturers, but rather to their second and third-tier suppliers [2]