春兴精工：公司深耕移动通信领域多年

Group 1 - The company, Chunxing Precision, focuses on the communication business centered around RF technology, providing products such as filters, duplexers, and combiners for mobile communication RF devices [2] - The products are primarily used in the RF front end of mobile communication base station antenna feeder systems [2] - The company has been deeply engaged in the mobile communication field for many years and will continue to monitor industry developments and customer needs [2] Group 2 - The company plans to advance its business development in line with its growth strategy and market demand [2]