The registered address of sanin young coal mining machinery ltd. Is located on the 13th floor of unit 01 of the sunshine street complex in shandong province; the registration authority is the market supervision authority for the city of sunshine, with legal persons representing li jie steel in general projects: sale of mine machinery; sale of machinery parts, parts and components; sale of fire equipment; sale of specialized equipment for environmental protection; sale of machinery and components for orbital transport; sale of wind and electric tools; sale of special equipment; wholesale distribution of gold products; retailing of gold products; wholesale distribution of japanese supplies; sale of daily supplies; sale of construction and decoration materials; sale of electronic parts; sale of equipment for labour protection purposes; sale of equipment for the sale of equipment for the sale of goods and equipment for the sale of electronics; sale of equipment for the sale of equipment and equipment for the sale of equipment for the sale of second type of medical equipment; sale of equipment for the sale of medical and paramedical equipment for the sale of equipment for the sale of second type of medical equipment; and sale of equipment for the sale of equipment for the supply of paramedical equipment for the purpose of technical equipment