金信诺：目前公司在PCB领域是通信基站设备及天线厂商的主力供应商

Core Viewpoint - The company is focused on the development of signal connection products, with PCB being a key component for signal transmission and reception [1] Group 1: Company Overview - The company is a major supplier of PCBs for communication base station equipment and antenna manufacturers [1] - The company's PCB products are primarily used in enterprise-level applications such as wireless networks, transmission networks, core networks, enterprise networks, and fixed broadband [1] - Additionally, the company's PCB products are also applied in the data center sector [1]