飞乐音响：公司的核心业务包括智能硬件产品、解决方案和检验检测三大板块

Core Viewpoint - The company, Feilo Acoustics (600651), has outlined its core business segments, which include smart hardware products, solutions, and inspection and testing services [1] Group 1: Business Segments - The smart hardware segment encompasses automotive lighting, automotive electronics and electrical appliances, module packaging, chip testing services, and precision component manufacturing [1]