The industry is metal products, machinery and equipment repair industry, the business scope includes: Permitted items: Ship repair (according to law to be approved by the relevant departments before the approval of business activities, specific business projects subject to the approval results). General projects: Mechanical parts, parts processing; Sales of spray guns and similar equipment; Instrument repair; Electrical equipment repair; Machinery and equipment leasing; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Smart port handling equipment sales; Ship towing service; Mechanical and electrical equipment sales; Water transport equipment spare parts sales; Sales of bearings, gears and transmission components; Gear and gear reduction, transmission sales; Electrical signal equipment sales; Electrical instrument sales; Sales of special instruments for navigation, mapping, meteorology and ocean; Steam turbine and auxiliary machinery sales; Water transport equipment sales; Offshore wind power related equipment sales; Sales of power electronic components; Sales of electrical accessories; Electrical equipment sales; Distribution switch control equipment sales; Sales of Marine engineering equipment; Lubricating oil sales; Domestic shipping agency; International shipping agency; Ship leasing; Marine engineering key supporting system development; Research and development of offshore wind related systems; Marine environmental services; General mechanical equipment installation services; Port tally; Professional cleaning, cleaning, disinfection services; General cargo warehousing services