Manufacture of road motor vehicles. General items: Sales of automobiles; manufacture of construction machinery; leasing of construction machinery and equipment; sales of construction machinery; manufacture of environmental protection special equipment; sales of environmental protection special equipment; manufacture of mining machinery; sales of mining machinery; research and development of mechanical equipment; sales of mechanical equipment; sales of electrical equipment; sales of fire-fighting equipment; sales of communication equipment; manufacture of special equipment (excluding licensed professional equipment); repair of special equipment; manufacture of specialized machinery for agriculture, forestry, animal husbandry, sideline fisheries; sales of specialized machinery for agriculture, forestry, animal husbandry, sideline fisheries; installation and repair of specialized machinery for agriculture, forestry, animal husbandry, sideline fisheries; sales of intelligent agricultural machinery; manufacture of agricultural machinery; agricultural machinery services; sales of agricultural machinery; manufacture of agricultural, forestry, animal husbandry, and fishery machinery parts; manufacture of special operation robots; import and export of goods; import and export agency; technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion.