Core Viewpoint - The company is actively engaged in the development of ventilation products primarily used in nuclear power, subways, tunnels, large industrial, and civil construction sectors, and is open to exploring ventilation needs in underground or deep space projects based on specific project and client requirements [1] Group 1 - The company's ventilation products are mainly utilized in nuclear power, subways, tunnels, and large industrial and civil buildings [1] - The company expresses willingness to develop and connect with projects related to ventilation needs in underground or deep space [1] - The development of such projects will depend on specific project and client requirements [1]