

Group 1 - As of July 29, China Railway Construction Corporation (CRCC) shares closed at 8.18 yuan, down 0.04 yuan or 0.49% from the previous trading day [1] - The trading volume on that day was 631,310 hands, with a total transaction amount of 5.16 billion yuan [1] - CRCC is one of the largest engineering contractors in China, involved in infrastructure construction including railways, highways, municipal projects, and housing [1] Group 2 - Recently, CRCC has actively participated in disaster relief efforts in multiple regions, mobilizing 420 personnel and over 30 pieces of equipment for railway foundation rescue in Hebei and Beijing [1] - On July 28, the main bridge of the Anhui section of the Huning-Gao high-speed railway, constructed by CRCC's Bridge Bureau, successfully completed its closure [1] - On July 29, the net outflow of main funds for CRCC was 20.04 million yuan, accounting for 0.02% of its circulating market value [1]