The registration address of the company is located on the 4th floor of the 3rd floor of xue's street, tien-li'n north province, xining lake, shandong province. The registration authority is the market supervision authority of the jin-lin province tour-house, which operates on general items: sale of mechanical equipment; sale of construction machinery; sale of metal wire and its products; sale of construction materials; sale of special equipment; sale of metal materials; sale of special instrument instruments for environmental monitoring; sale of fire-fighting equipment; sale of tight items; and sale of the internet (other than the sale of goods for which permission is required). (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)