Licensed projects: Residential interior decoration and renovation (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) General projects: Wholesale of hardware products; Retail of hardware products; Operation of wires and cables; Fiber optic cable sales; Sales of power electronic components; Sales of building decoration materials; Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Retail of arts and crafts and collectibles (excluding ivory and its products); Engineering management services; Sales of marine engineering equipment; Construction of earthwork engineering; Construction of metal doors and windows engineering; Sales of construction machinery; Supervision of single building civil air defense projects; Construction of landscaping and greening projects; Engineering and technical research and experimental development; Electronic product sales; Sales of communication equipment; Internet of Things technology services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Graphic and textual design and production; Information technology consulting services; Furniture sales; Sales of maternal and child products; Toy sales; Sales of hair accessories; Jewelry retail; Wholesale of jewelry; Needle textile sales; Wholesale of textiles, clothing, and household goods; Import and export of goods (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law)