The industry is science and technology promotion and application service industry, the business scope includes: Ship repair; Ship design; Information technology consulting services; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Project management services; Contracted projects to foreign countries; Highway and water transport engineering test and inspection services; Mechanical and electrical equipment sales; General mechanical equipment installation services; Sales of labor protection products; Special equipment sales; Fire equipment sales; Fire technical services; Security equipment sales; Ship leasing; Ship modification; Ship sales; Domestic shipping agency; International shipping agency; Engineering cost consulting business; Wind farm related equipment sales; Conference and exhibition services; Digital creative products exhibition service; Sales of special equipment for environmental protection; Water transport equipment spare parts sales; Sales of electronic products; Instrument sales; Labor service (excluding labor dispatch); Special equipment inspection and testing services; Ship survey services; Construction of fire fighting facilities; Hydraulic engineering quality inspection; Water transport engineering supervision; Safety assessment business.