The legal entity, represented by li dinhui, is the market supervisory authority of the young-yen region, located at 4-34 in the district of yenyang city, hebei province, with a registered address, including metal products, fast fixes, industrial or mining spare parts, light-voltage spare parts, bridges spare parts, construction accessories, anti-shock racks, underground complexes, electrical equipment, railway fittings, car spare parts, steel structural parts, spare parts for transport facilities, rubber products, plastics (other than medical use), chemical products (other than dangerous chemicals), stainless steel products, aluminium alloys, raw iron, used metals, hardware tools, electric tools, machinery and accessories, mechanical equipment, lifting equipment, plumbing fittings, water heating equipment, electrical cables, firefighting equipment, building materials, ornamental materials, non-ferrous metals (other than rare metals), steel, construction materials, electronics, groceries, earth products, labour products, and products; research and development of hardware technology; export and import and export of goods. (projects subject to legal approval may not operate without the approval of the relevant department)