成飞概念震荡走弱，成飞集成触及跌停

Group 1 - The concept of Chengfei is experiencing a downturn, with Chengfei Integration hitting the daily limit down [1] - Other companies such as AVIC Chengfei, Zhong Wulian, Aileda, Qifeng Precision, Zhongguang Lightning Protection, and Guangyun Da are also seeing declines [1]