光弘科技(300735.SZ)：并未直接从事PCB的生产制造

Core Viewpoint - The company, Guanghong Technology, is a professional EMS (Electronic Manufacturing Services) provider and does not directly engage in PCB (Printed Circuit Board) manufacturing. PCB is an essential raw material for the company's operations, serving as a foundational component for electronic products [1]. Group 1 - The company specializes in EMS, indicating a focus on providing manufacturing services rather than producing PCBs directly [1]. - PCB is highlighted as a crucial raw material for the company's business, emphasizing its importance in the electronic manufacturing process [1]. - The integration of PCB and various electronic components through SMT (Surface Mount Technology) is identified as a key aspect of the company's operations [1].