Sales of automobiles; sales of construction machinery; sales of domestic waste treatment equipment; sales of furnaces, kilns, and electric furnaces; sales of environmental protection special equipment; sales of environmental emergency technical equipment; flood control and drainage facility management; sales of underwater systems and operation equipment; sales of fire-fighting equipment; municipal facility management; sales of power facility equipment; installation services for environmental sanitation public facilities; sales of optoelectronic devices; sales of security equipment; retail of electronic components; sales of mechanical equipment; sales of solar thermal utilization equipment; sales of solar thermal utilization products; sales of solar thermal power generation equipment; sales of solar thermal power generation products; sales of photovoltaic equipment and components; manufacturing of sports goods and equipment; manufacturing of agricultural machinery; manufacturing of optoelectronic devices; manufacturing of electronic components; manufacturing of security equipment; manufacturing of environmental protection special equipment; manufacturing of domestic waste treatment equipment; manufacturing of bicycles; manufacturing of lighting fixtures; manufacturing of semiconductor device special equipment; manufacturing of batteries. Licensed items: production of road motor vehicles.