Manufacturing of environmental emergency technical equipment; sale of environmental emergency technical equipment; manufacturing of underwater systems and operational equipment; sale of special equipment; fire protection technical services; manufacturing of agricultural machinery; processing of mechanical parts and components; manufacturing of material handling equipment; manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline fisheries; manufacturing of rubber products; sale of rubber products; manufacturing of non-road leisure vehicles and parts; sale of non-road leisure vehicles and parts; sale of fire-fighting equipment; research and development of mechanical equipment; manufacturing of specialized equipment (excluding licensed specialized equipment); manufacturing of general equipment (excluding special equipment); engineering and technological research and experimental development; sale of new automobiles; wholesale of auto parts; retail of auto parts; sale of mechanical equipment; sale of hydraulic power machinery and components; sale of generators and generating sets; emergency rescue services; repair of general equipment; repair of specialized equipment; management of flood control and drainage facilities; sales agency; professional design services; information technology consulting services; software development; motor vehicle repair and maintenance; technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; import and export of goods; import and export of technology. Licensed items: Manufacturing of special equipment; production of road motor vehicles.