The registration address of china bridge construction (tienjin) road bridge engineering ltd. Is located in the china trade centre, tianjin free trade zone (central business zone) no. 3-304 (kearing no. 538 by na yi (tienjin) commercial secretary services limited), and the registration authority is the market supervision authority of china (zianjin) free trade zone, represented by a legal person, wang yuta. The scope of the operation includes licensed projects: construction works; construction work subcontracts; construction works subcontracting; design of construction works; road management and maintenance; road maintenance operations; construction engineering supervision; installation, maintenance and testing of power transmission, power supply, electricity receiving facilities; construction survey; road engineering supervision. (projects subject to legal approval and subject to the approval of the relevant department) general projects: construction professional operations; interior decorating of houses; construction of stone works; construction of garden greening works; engineering services; rental of mechanical equipment; sale of rubber products; sale of plastics; sale of construction materials; sale of architectural materials; rental of construction machinery and equipment; engineering technical services (other than planning, surveying, design, supervision); sale of fireproofing materials; sale of construction waterproofing materials; sale of fibres and products; (business activities are carried out autonomously on the basis of a licence, except for projects subject to legal authorization)