General items: manufacture of material handling equipment; sale of special equipment; manufacture of general-purpose equipment (without special equipment); sale of mechanical equipment; construction of mechanical machinery and components; manufacture of hydraulic machinery and components; manufacture of specialized equipment (other than licensed professional equipment); manufacture of intellectual infrastructure; manufacturing of industrial robots; manufacture of special operating robots; sale of industrial robots; sale of new energy vehicles; manufacture of industrial automated control system devices; sale of intelligent storage equipment; sale of electronic and mechanical components; installation, maintenance and repair of industrial robots; construction of metal structures; sale of metal structures; import and export of goods; import and export agents (with the exception of licensing activities)