春兴精工：公司通信业务以射频技术为核心，产品主要应用于移动通信基站天馈系统射频前端

Core Viewpoint - The company is focused on its communication business, primarily utilizing radio frequency technology to provide various RF components for mobile communication systems, while also keeping an eye on industry developments and customer needs [1]. Group 1: Company Overview - The company, Spring High Precision (002547.SZ), has a core business in communication, centered around radio frequency technology [1]. - It offers products such as filters, duplexers, and combiners, which are essential components in mobile communication base station RF front-end systems [1]. Group 2: Industry Focus - The company has been deeply engaged in the mobile communication sector for many years and plans to continue evolving its business in line with industry trends and market demands [1].