Licensed Projects: Public rail transport, Construction project construction, Foreign labor cooperation, Railway locomotive and vehicle maintenance。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Railway transport support activities, Machinery and equipment rental, Railway locomotive and vehicle parts sales, Railway transportation equipment sales, Information system operation and maintenance services, Electrical equipment repair, Professional repair of communication transmission equipment,Earthwork construction, Foreign contracting projects, Human Resources Services( Excluding employment agency activities、 Labor dispatch services), Landscaping project construction, Import and export of goods, Technology import and export, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Business Training( No education or training、 Vocational skills training and other training that requires a license), Building materials sales, Equipment supervision services。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)