The registered address of each city is the long street landing industrial park of the cities of shandong province, where the registration authority is the city market supervisory authority, which operates on behalf of legal persons and includes general items: sale of mechanical equipment; manufacture of equipment for industrial automated control systems; sale of equipment for industrial automated control systems; development of mechanical equipment; manufacture of specialized equipment for food, alcohol, beverages and tea production; manufacture of commercial, catering, service-specific equipment; manufacture of specialized equipment for agro-food processing; manufacture of agricultural machinery; manufacture of specialized machinery for agro-forestry and livestock fisheries; manufacture of specialized machinery for the exclusive use of water resources; manufacture of specialized equipment for the protection of the environment; manufacture of specialized equipment for packaging; manufacture of specially designed equipment for the manufacture of pulp and paper; manufacture of specialized equipment for the sale of printing equipment; manufacture of equipment for the manufacture of material handling equipment; manufacture of windmills and windmills; manufacture of electrical equipment; manufacture of electrical equipment; manufacture of parts, parts and components; manufacture of metal-forming beds; manufacture of specialized equipment for the supply of general equipment for the repair and repair of machinery; technical services for the supply of general (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)