Business scope includes: General items: Domestic shipping agency; Domestic trade agency; International shipping agency; Ship leasing; Ship sales; Ship towing service; International ship management services; Information consulting services (excluding licensed information consulting services); Sales of diving rescue equipment; Pump and vacuum equipment sales; General mechanical equipment installation services; General equipment repair; Marine engineering key supporting system development; Sales of Marine engineering equipment; Water transport equipment spare parts sales; Information technology consulting services; Communication equipment sales; Instrument sales; Sales of electrical accessories; Metal tool sales; Sales of mechanical parts and spare parts; Hardware products wholesale; Ticket agency services; Wholesale of computer hardware, software and auxiliary equipment; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Rubber products sales; Fire equipment sales; Sales of thermal insulation materials; Building materials sales; Ship port services; Labor service (excluding labor dispatch); Import and export of goods; Technology import and export; Import and export agent; Trade broker. (Except for the projects subject to approval according to law, independently carry out business activities according to law with the business license) Permitted projects: Ship design; Ship repair; Port ship supply; Bonded warehouse operation.