成飞概念持续拉升，七丰精工涨停

Group 1 - The concept of Chengfei continues to rise, with Qifeng Precision Engineering hitting the daily limit, Huaru Technology increasing by over 10%, and companies like Huali Chuantong, Zhongguang Fanglei, Shengbang Co., and Tongda Co. also experiencing gains [1]