The registration address of the youngzhou city market supervisory authority, with legal representation, includes general projects: agricultural scientific research and experimental development; manufacture of metal materials; sale of metal materials; construction of metal structures; development of hardware products; manufacture of hardware products; wholesale distribution of hardware products; retail sale of hardware products; sale of mechanical equipment; development of mechanical equipment; leasing of mechanical equipment; sale of synthetic materials; sale of new metal function materials; sale of non-ferrous metal alloys; sale of magnetic materials; sale of structural components; sale of spare parts for machinery; sale of spare parts for agro-forestry and fishing machinery; sale of specialized equipment for environmental protection; sale of rubber products; sale of plastic products; import and export of goods; import and export of technology; manufacture of construction structures; sale of specialized instruments for environmental monitoring; manufacture of specialized equipment for agro-pastoral plants; manufacture of specialized equipment (without licensing professional equipment); manufacture of spare parts for agricultural and forestry fisheries; repair of general equipment; installation of specialized equipment for the repair of general equipment; installation of general equipment for the repair of machinery. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)