The Chengdu Second Ring Road reconstruction project is the main works for the development of “two fast and two radial roads’ in Chengdu. The Company undertook the fabrication and installation of steel box girders for the bid sections of east fourth, east third and west first; the works on steel box girders totalled over 43,000 tons; the project involved 19 junctions along the Second Ring Road, total 36 sets of steel box girder trunk bridges and ramp bridges; in this project, the Company established records of “WS speed” and “WS quality”.