General projects: technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Sales of metal materials; Sales of non-ferrous metal alloys; Sales of chemical products (excluding licensed chemical products); Sales of building materials; Sales of lightweight building materials; Sales of bio based materials; Retail of stationery products; Sales of office supplies; Retail of hardware products; Operation of wires and cables; Construction of landscaping and greening projects; Construction of sports venue facilities engineering; Construction of earthwork engineering; Information consulting services (excluding licensed information consulting services); Wholesale of clothing and apparel; Retail of clothing and apparel; Sales of clothing accessories; Sales of needle textiles and raw materials (except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law). Licensed projects: various engineering construction activities; Construction of fire protection facilities engineering; Import and export of goods; Technology import and export; Import and export agency (for 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).