Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of office equipment and consumables; Sales of electronic components and electromechanical equipment; Sales of mechanical parts and components; Sales of office equipment; Vending machine sales; Installation services for ordinary mechanical equipment; Software sales; Sales of communication equipment; Repair of communication equipment; Loading and unloading handling; Domestic freight forwarding agent; Domestic trade agency; Sales agent; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Computer and office equipment maintenance; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Information system integration services; Sales of mechanical equipment; Wholesale of automotive spare parts; Hotel management; Catering management; Conference and exhibition services; Travel agency service outlets provide tourism attraction and consulting services; Information consulting services (excluding licensed information consulting services); Marketing planning; Bill information consulting services; Consulting and planning services; Ticketing agency services; Rental services for storage equipment; Non residential real estate leasing; Housing rental; Land use right leasing; Sales of daily necessities; Sales of daily necessities; Wholesale of daily necessities; Wholesale of edible agricultural products; Retail of edible agricultural products; Operating homestays; Camping site services; Organize cultural and artistic exchange activities; Delivery service for takeout; Business agency services; Import and export of goods; Technology import and export; Accommodation services; Residential interior decoration and renovation