The welding shop building phase 2 project of Citroen was a major project of Wuhan, and highlighted by the owner and Wuhan Government. The works on the steel structures of the project amount to about 1,000 tons and the floor area is 42,000 square meters. The shop building is 270 meters long and 160 meters wide, with its elevation being 22 meters. The main works include the building columns, column bracings, steel beams in the technology gallery and all members of the logistics passage except C purlins. From the very beginning, WS attached the greatest importance to this project, reviewed the drawings many times, conducted technical disclosure, and established a technical leading group for this project. In light of the schedules of this project, WS organized a site construction team and management teams working in two shifts. The project was completed on schedule, and WS was rewarded with a special fund of 10,000 yuan by Wuhan Government.