国瓷材料：子公司国瓷赛创生产的通讯射频微系统芯片封装管壳凭借技术领先优势，已成为低轨卫星射频芯片的主要封装方案

Group 1 - The core viewpoint of the article is that Guoci Materials' subsidiary, Guoci Saichuang, has achieved a leading technological advantage in the production of communication RF micro-system chip packaging shells, which have become a primary packaging solution for low-orbit satellite RF chips [2] - The company has successfully entered mass production and is now selling these packaging solutions in bulk [2]