2家半导体公司宣布，部分芯片涨价

Group 1 - The core point of the news is that two semiconductor companies, Zhongwei Semiconductor and Guoke Micro, have announced price increases for their chip products due to supply chain pressures and rising costs [1] - Zhongwei Semiconductor has issued a price adjustment notice indicating that prices for MCU and Norflash products will increase by 15% to 50% effective immediately, citing longer delivery cycles and increased costs [1] - Guoke Micro has also announced significant price hikes for its KGD products, with increases of 40% for 512Mb, 60% for 1Gb, and 80% for 2Gb products starting in January [1] Group 2 - Zhongwei Semiconductor is a leading provider of intelligent control solutions in China, focusing on the research and design of microcontrollers (MCUs) and offering high-performance, low-power, and highly integrated chip products for various smart terminal devices [1] - Guoke Micro is dedicated to the development of large-scale integrated circuits and solutions in fields such as smart ultra-high definition, smart vision, artificial intelligence, and automotive electronics, with a range of proprietary chips including live satellite HD chips and AI vision processing chips [2]