Licensed project: Food sales; Ship inspection services; Port operations; Entry and exit quarantine processing; Customs supervised warehousing services for goods (excluding hazardous chemicals and dangerous goods); Ship repair; Commercial services for urban household waste. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to approval documents or licenses issued by relevant departments.) General projects: ship port services; International shipping agency; Domestic ship agency; Customs declaration business; Import and export of goods; International freight forwarding agent; Domestic freight forwarding agent; Professional cleaning, cleaning, and disinfection services; Wastewater treatment and its recycling and utilization; General cargo warehousing services (excluding hazardous chemicals and other projects that require licensing and approval); Sales of material handling equipment; Sales of petroleum products (excluding hazardous chemicals); Lubricant sales; Repair of communication equipment; Sales of communication equipment; Sales of daily necessities; Wood sales; Sales of building materials; Sales of wind turbines and components; Sales of rubber products; Sales of metal materials; Firefighting technical services; Sales of mechanical and electrical equipment; Inland waterway crew affairs agency services; Sales of security equipment; Sales of diving and rescue equipment; Loading, unloading and handling; Sales of specialized environmental monitoring instruments and meters; Sales of intelligent material handling equipment; Domestic trade agency; Trade brokerage; Environmental emergency management services; Water pollution control; Salvage services; Ship leasing; Sales of coal and its products; Domestic container freight transportation agent; Inspection declaration business. (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)