Licensed project: Residential interior decoration and renovation; Construction project construction; Construction professional operations (projects that require approval according to law, business activities can only be carried out after approval by relevant departments. The specific business projects are subject to the approval results)General project: sales of metal materials; Sales of metal products; Sales of daily necessities; Retail of motorcycles and spare parts; Sales of packaging materials and products; Sales of ecological and environmental materials; Retail of hardware products; Sales of building materials; Sales of lightweight building materials; Sales of building decoration materials; Mechanical equipment leasing; Organize cultural and artistic exchange activities; Marketing planning; Consulting and planning services; Information consulting services (excluding licensed information consulting services); Domestic freight forwarding agent; Graphic design and production; Enterprise management consulting; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Import and export agency (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law)