A股中船系午后震荡上行，中船应急涨超5%，中船防务涨超3%，久之洋、中船科技、中国重工等涨2%。

Group 1 - The A-share market saw a rebound in the China Shipbuilding sector in the afternoon, with China Shipbuilding Emergency rising over 5% [1] - China Shipbuilding Defense increased by more than 3%, while other companies like Jiuzhiyang, China Shipbuilding Technology, and China National Heavy Duty Truck Group rose by 2% [1]