中岩大地：公司固化剂及软基固化技术、流态固化土技术目前广泛应用于综合管廊的地基加固、肥槽回填等场景

Group 1 - The company has developed solidifying agents and soft foundation solidification technology, which are widely used in the foundation reinforcement and backfilling of comprehensive utility tunnels [2] - The company confirmed its technical layout in underground utility tunnel construction during an interaction with investors [2] - The technologies mentioned are applicable in various scenarios, indicating the company's focus on innovative solutions in the construction sector [2]