The registration address of the company is located in lunan, north-west of the industrial district of yenyang village, dongyang town, east kan, hebei province. The registration authority is the market supervision authority of the long-yen district. The legal person is represented by zhao jing jing, who operates on general projects: extension services for new materials; technical services, technical development, technical advice, technical exchange, technology transfer and technical promotion; manufacture of hard-core items; sale of fast-fixed items; manufacture of spare parts for railway rolling stock; sale of spare parts for railway rolling stock; construction of metal accessories; sale of metal links and other metal products; sale of metal products; manufacture of metal structures; sale of metal materials; manufacture of electrical facilities; sale of electrical equipment; sale of mechanical equipment; manufacture of lightware equipment and plant parts; sale of light-voltage equipment and plant parts; sale of labour protection items; sale of rubber products; sale of timber; distribution of five gold products; distribution of spare parts for motor vehicles; and rental of construction machinery and equipment. Licences (in addition to legally approved projects, operating on an autonomous basis under a business licence) for projects: subcontracting of construction services; construction work. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)