芯片头部企业发出涨价函，产业链面临结构性机会

Group 1 - The semiconductor industry is experiencing significant price increases due to supply chain constraints and rising costs, with companies like Zhongwei Semiconductor and Guokewai announcing price hikes of 15%-50% for various products [1] - Guokewai has specifically raised prices for KGD products by 40% for 512Mb, 60% for 1Gb, and 80% for 2Gb, indicating a severe supply-demand imbalance [1] - Donghai Securities predicts substantial growth in domestic A-share companies' performance by 2025, driven by the AI wave and recovery in electronic industry demand, alongside rising storage chip prices [1] Group 2 - Ruixin Micro focuses on the design, research, and sales of smart application processors SoC and related chips [2] - Xingchen Technology leads the global market in security visual AI SoC chips while actively expanding into the smart automotive sector [2]