The registration address of the central shandong bridge heavy machinery limited is located on the sixth floor of the kimhua district complex, located in the jinhua quarter of the city, in shandong province. The registration authority is the city of jinin as the market supervisory authority of the city. The legal entity is represented by du jing, and its operations include the production, sale, rental and maintenance of the bridge's equipment, engineering machinery equipment, construction tools; electrical maintenance; sale of hardware products, cables, electronics, electrical equipment, mechanical spare parts, construction materials and general labour insurance items; and import and export operations for general goods and technology. (projects subject to legal approval may not operate without the approval of the relevant department)