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It is located in the Tianjin Steel Pipe Co., Ltd. on the south side of Jintang Highway, Dongli District, Tianjin. The total construction area is 25083 square meters.

It has a construction area of 57,000 square meters and a total of 10,300 tons of steel structure engineering. It is a five-span single-storey heavy industrial plant. The maximum span is 39 meters. The largest single component is 52 tons and 42 meters long.

The construction area is 96000 square meters. The total amount of steel structure works is 14,400 tons. It is a seven-span single-storey heavy industrial plant.

The project includes two separate buildings: No. 1 maintenance hangar and No. 2 power station. The roof structure adopts the primary and secondary truss system. The maximum span of the main truss system is 88m, which provides ample space for the repair and maintenance of each series of Bombardier business aircraft.

The single-layer steel structure workshop of the project. The roof adopts bolt ball node grid structure.

This project is located in Shuangjie Town, Beichen District, Tianjin, with a construction area of 46227.23 square meters. The foundation of the main warehouse is prestressed concrete square pile + independent platform foundation. There are 2 floors above ground, and a floor height of 12 meters. It is a concrete frame structure, and the roof is steel structure.