A股民爆用品板块异动拉升，保利联合封板涨停，高争民爆、凯龙股份、金奥博、国泰集团、壶化股份等跟涨。

Group 1 - The A-share market saw a significant surge in the explosives sector, with Poly United hitting the daily limit up [1] - Other companies in the sector, including High Hope Explosives, Kailong Co., Jin Aobo, Guotai Group, and Huhua Co., also experienced gains [1]