Research, development, production, and processing of metal molds, mold standard parts, electronic equipment, instruments and meters, automation equipment, and automated machinery; providing on-site repair services for related electronic products and equipment; sales of mold parts, automation machinery parts, metal tools, measuring and testing instruments, engineering machinery and equipment and parts, electric, pneumatic, and manual tools, metal products, and hardware accessories; self-operated and agent import and export of the above products and technologies. Licensed items: construction engineering design. General items: engineering and technological research and experimental development (excluding human stem cells, gene diagnosis and treatment technology development and application, and rare and precious Chinese and unique varieties); research and development of intelligent robots; software development; manufacturing of industrial robots; manufacturing of packaging specialized equipment; manufacturing of specialized equipment (excluding licensed specialized equipment); sales of artificial intelligence hardware; sales of intelligent robots; technical services, development, consulting, exchange, transfer, and promotion; enterprise management; socio-economic consulting services; information consulting services (excluding licensed information consulting services); general cargo warehousing services (excluding hazardous chemicals and other items requiring licensing); sales of mechanical equipment; sales of electronic products; wholesale of computer software, hardware, and peripherals; import and export of goods; leasing of mechanical equipment; manufacturing of power transmission and distribution and control equipment; manufacturing of plastic processing specialized equipment; manufacturing of transformers, rectifiers, and inductors; manufacturing of electric motors; manufacturing of generators and generator sets; manufacturing of power distribution switchgear equipment; research and development of power distribution switchgear equipment; manufacturing of bearings, gears, and transmission components; manufacturing of electrical measuring instruments; manufacturing of counting instruments for transport equipment and production; sales of electrical measuring instruments; manufacturing of intelligent instruments; sales of intelligent instruments; sales of software; manufacturing of ship automation, detection, and monitoring systems; sales of industrial robots; installation and repair of industrial robots; manufacturing of special operation robots; manufacturing of service consumer robots; sales of service consumer robots; industrial design services; repair of specialized equipment; research and development of mechanical equipment; manufacturing of mining machinery; sales of mining machinery; manufacturing of specialized machinery for building materials production; manufacturing of marine supporting equipment; manufacturing of radar and supporting equipment; manufacturing of recreational and sports boats; sales of recreational and sports boats; loading, unloading, and handling; sales of intelligent port handling equipment; manufacturing of hand carts and animal-drawn vehicles; sales of hand carts and animal-drawn vehicles; sales of mechanical and electrical equipment; industrial engineering design services; information technology consulting services; information system integration services; import and export of technology; intellectual property services (excluding patent agency services); foreign contracted projects; sales of second-hand daily necessities; sales of mechanical parts and components; manufacturing of general parts; processing of mechanical parts and components.