A股氢能源概念股集体走强，安泰科技涨停

Core Viewpoint - The hydrogen energy concept stocks in the A-share market have collectively strengthened, indicating a positive trend in this sector [1] Group 1: Stock Performance - Jinlong Automobile and Antai Technology reached the daily limit increase [1] - Shenkai Co. approached the daily limit increase [1] - Kexin Electromechanical rose over 7% [1] - Oulutong increased by more than 5% [1]