Research and development of intelligent robots; manufacturing of industrial robots; sales of industrial robots; software development; manufacturing of industrial automatic control system devices; sales of industrial automatic control system devices; manufacturing of industrial control computers and systems; technical services, technology development, technical consulting, technical exchanges, technology transfer, and technology promotion; sales of electronic components and electromechanical component equipment; manufacturing of special electronic equipment; special electronic equipment Sales; sales of mechanical equipment; research and development of mechanical equipment; maintenance of electronic and mechanical equipment (excluding special equipment); manufacturing of machine tool functional parts and accessories; sales of machine tool functional parts and accessories; manufacturing of plastic products; sales of plastic products; wholesale of automobile spare parts; sales of chemical products (excluding licensed chemical products); wholesale of kitchenware, sanitary ware and daily sundries; manufacturing of material handling equipment; wholesale of motorcycles and spare parts. Licensed items: Import and export of state-owned trade management goods.