坚朗五金：公司产品主要应用于建筑建材家居相关领域，不涉及飞机制造行业

Core Viewpoint - The company, Jianlang Hardware, clarified that its products are primarily used in the construction and building materials sector and do not involve the aircraft manufacturing industry [2] Group 1 - The company responded to an investor inquiry regarding its involvement in aircraft manufacturing [2] - Jianlang Hardware's main product applications are in the construction and home building sectors [2]