PCB概念走强 中京电子、金安国纪涨停

Group 1 - The PCB concept has strengthened, leading to significant stock price increases for companies such as Zhongjing Electronics and Jin'an Guoji, which reached the daily limit [1] - Other companies in the PCB sector, including Guanghe Technology, Sihui Fushi, Wenzhou Hongfeng, Honghe Technology, and Shengyi Technology, also saw notable gains in their stock prices [1]