Licensed Projects: Construction project construction, Blasting operations, Professional construction work, Professional river dredging construction operations, Construction labor subcontracting, Surveying and mapping services, Port operations, General cargo transportation by water。( 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:Earthwork construction, Engineering Management Services,Labor Services( Excluding labor dispatch), Land consolidation services, Ecological restoration and ecological protection services, Landscaping project construction, Water environment pollution prevention and control services, Water pollution control, Solid waste management, Soil and water erosion prevention services, Foreign contracting projects, Ship port services, Port cargo loading and unloading activities, Warehousing equipment rental services, General cargo warehousing services( Does not contain hazardous chemicals or other items that require licensing and approval), Ship leasing, Ship towing services, Domestic freight forwarding, Import and export of goods, Machinery and equipment rental, Rental Services( No licensed rental services), Construction machinery and equipment rental, Transportation equipment rental services, Housing rental, Non-residential real estate rentals, Sales of spare parts for water transport equipment, Ship Sales, Lubricant sales, Building materials sales, Metal material sales, Concrete structural component manufacturing, Concrete structural component sales, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Software Development, Information consulting services( No licensing information consulting services), Business Training( No education or training、 Vocational skills training and other training that requires a license)。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)