中瓷电子(003031.SZ)：博威公司针对5G-A相应机型与方案，已形成系列化氮化镓射频芯片与器件产品并实现产业化，市场占有率国内领先

Core Viewpoint - Zhongci Electronics (003031.SZ) is focusing on providing high-quality gallium nitride (GaN) RF chips and devices for global communication equipment suppliers, supporting users in model upgrades and network enhancements [1] Group 1: Company Developments - The subsidiary, Bowei Company, has developed a series of GaN RF chips and devices tailored for 5G-A models and solutions, achieving industrialization [1] - Bowei Company holds a leading market share domestically in the GaN RF chip and device sector [1]