The registration address of jian ninghong mine machinery ltd. Is located in room 01-2410-a, 24th floor of unit c, 24th floor, 24th floor, new technologies industrial development area, 24th floor, international city, xinning city, shandong province. The registration authority is the market supervisory authority of jinghong zhang, representing legal persons, and operates on general projects: sale, installation, maintenance of mechanical equipment; mine machinery, high-pressure appliances, instrumentation instruments, fire-fighting equipment, construction machinery, mechanical equipment and spare parts, steel materials, construction materials, metal materials (other than rare metals), chemical products (other than dangerous chemicals), hardware, electricity, rubber products, wirelines, clothing, needle textiles and general labour products. (in addition to legally authorized projects, operating on an autonomous basis of legal licence)