Core Viewpoint - The company has identified various business opportunities in the underground space sector, including municipal public facilities, transportation infrastructure, commercial facilities, and logistics storage [2] Group 1: Business Opportunities - The company can engage in the construction of underground municipal public facilities such as underground municipal plants, pipelines, and utility corridors [2] - The company is involved in the development of underground transportation facilities, including subways, underground pedestrian passages, roads, and parking lots [2] - The company also focuses on the construction of underground commercial facilities, such as shopping centers and malls [2] - Additionally, the company is exploring opportunities in underground logistics and storage facilities [2]