钢铁板块早盘大幅拉升，山东钢铁等股涨停

Group 1 - The steel sector experienced a significant surge in early trading, with major companies reaching new highs [1] - Zhongjin Mining hit an intraday record, indicating strong market performance [1] - Shandong Steel, Linggang Co., Anyang Steel all reached the daily limit up, showcasing robust investor interest [1] Group 2 - Baogang Co., Jiugang Hongxing, Hualing Steel, Liugang Co., and Chongqing Steel also saw notable increases, reflecting a broader positive trend in the steel industry [1]