Cultural activity services; Advertising design, production, agency, and release; Professional design services; Office services; Cultural exhibition services; Cultural and entertainment agents; Literary and artistic creation and performance; Electrical installation; Car rental; Pipeline and equipment installation; Tourism exhibition services; Public building decoration and renovation; Architectural curtain wall decoration and decoration; Greening management services; Security system monitoring services; Property management services; Municipal road engineering; Landscape greening engineering; Urban park management services; Production of luminous signs for traffic management; Wholesale and retail: Hardware products, electronic products, office supplies, computers, software, and auxiliary equipment * * (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)