建筑材料板块高开，中国巨石涨停

Group 1 - The construction materials sector opened high, with international composite materials rising over 6% to reach a new high [1] - China Jushi's net profit for the first half of the year was 1.687 billion yuan, representing a year-on-year increase of 75.51% [1] - Other companies such as China National Materials, Changhai Co., Shandong Fiberglass, Longquan Co., and Zaiseng Technology also experienced gains [1]