The registration address of yonggor mine mechanics ltd. Of the city of jianning is located at no. 39, 2nd floor, located in the central district of the east road lodging textiles market house, located in the city of jianin, shandong province. The registration authority is the municipal market supervision authority of jianning city, with legal representatives liu raeqiang, who operates on the basis of the sale, installation and maintenance of mine equipment, engineering machinery equipment, general mechanical equipment; sales of low-pressure appliances; operations involving licensed operations subject to licence or authorization of documents (projects subject to authorization as required by law and approval by the relevant authorities)。