The general business items are: Engaged in the research, technology development, sales, and technical services of high-tech products; Intelligent system development, network system development, artificial intelligence, big data, cloud computing, Internet of Things technology development and application, system integration; Marine intelligent equipment, Research and development and sales of underwater intelligent swimming equipment; Surface robot control system, unmanned ship (boat) application system and its control system, communication system, radar system, intelligent obstacle avoidance system, special device design, technology development, wholesale, retail; Unmanned ship (boat) application system and software design, technology development, wholesale and retail; Economic and trade consulting; Corporate management consulting; Database management; Engaged in advertising business; Research and development and sales of electronic products; Domestic trade; Import and export business; Marketing planning; Operating e-commerce; Machinery and equipment leasing (excluding financial leasing business); Sales of water sports equipment, entertainment products, and diving equipment; Providing consulting services for water sports; Investing in and setting up industries (specific projects shall be declared separately). (Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects can only be operated after obtaining permits).