Business scope includes: Ships, Marine equipment and spare parts sales; Sales of metal materials, precious metals and steel structures; Marine technology and consulting services; Ship leasing; Computer software and hardware development, sales and consulting services; Economic information consulting; The import and export business of various kinds of commodities and technologies (except the commodities and technologies whose import and export are restricted or prohibited by the state). (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments) General projects: Marine supporting equipment manufacturing; Manufacture of ship automation, inspection and monitoring system; Manufacture of electrical signal equipment; Ship repair; Manufacture of special instruments for environmental monitoring; Ship modification; Ship port service