The registered address of tianjin pipeline engineering co. Ltd. Is located at no. 6-1 in fukang road no. 16, west dynasty town, north tianjin city, with the registration authority being the market supervision authority of the north china district, tianjin city, represented by a legal person and covering general items: hydraulic machinery and component manufacture; manufacture of general equipment (excluding special equipment manufacture); sale of hydraulic machinery and components; sale of machinery for construction works; sale of machinery equipment; lease of machinery equipment; repair of specialized equipment; repair of general-purpose equipment; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; production of hardware products; development of hardware products; retailing of hardware products; installation services for general machinery; import and export of goods. (a) licences (in addition to legally approved projects, operating on an autonomous basis under an operating licence): construction works; design of special equipment; installation of special equipment for upgrading and repair. (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)