工程机械板块异动拉升，唯万密封涨超10%盘中创历史新高

Group 1 - The engineering machinery sector experienced significant upward movement on August 8, with notable stocks such as Weiman Sealing rising over 10% and reaching a historical high [1] - Shanhe Intelligent hit the daily limit, while other companies like Wuxin Tunnel Equipment and Tietuo Machinery also saw increases exceeding 10% [1] - Additional companies including Hengli Drilling Tools, China Railway Construction Heavy Industry, XCMG, Weibo Hydraulic, and Southern Road Machinery followed suit with notable gains [1]