The registered address of the central mining valves (zianjin) ltd. Is located at court house no. 16, wakang north road, west queen head, north china province, tianjin city. The registration authority is the market supervision authority of north china district, tianjin city, represented by legal persons, and operates on general items: manufacture of ordinary valves and rotors (other than special equipment manufacture); manufacture of general equipment (other than special equipment manufacture); manufacture of industrial automatic control system devices; repair of specialized equipment; repair of general equipment; technical services, technology development, technical advice, exchange, technology transfer, technology promotion; sale of valves and cyclones; sale of industrial automatic control system devices; wholesale distribution of hardware products; retail sale of hardware products; instrumentation forms; sale of electronic products; sale of communications equipment; sale of machinery; sale of building materials; and sale of plastics. (in addition to the legally approved projects, activities are carried out on an autonomous basis of the law) (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)