The Group is mainly engaged in the investment, operation and management of railway, intercity and other rail transit projects; Asset management; Large and medium-sized repair and maintenance of railway, intercity and other rail transit equipment; Development, production, installation and maintenance of railway, intercity and other rail transit equipment and equipment; Processing, quarrying and building materials production related to rail transit construction and transportation; Passenger and freight transport; Warehousing; Survey, design, construction and supervision of railway, intercity and other rail transit projects; Supporting railway, intercity and other rail transit projects and station building construction along the line, advertising, land development, real estate management, hotel management; Import and export of goods and technology, supply and marketing of materials and domestic commerce. The group's net assets are worth 6 billion yuan.