The Wenzhong Road Elevated Bridge is 2.21 kilometers long, among which the double-deck elevated bridge is 653 meters long. There are a total of 10 ramps at Huaihai Avenue Interchange, with a length of 4.165 kilometers. The newly built section of the pedestrian superstructure steel box girder on Wangwei Road is 10 pairs, totaling 999.559 meters. The pedestrian overpass has 26 pile foundations, 22 pier caps and 22 piers. The main bridge adopts a 22m+30m +19.5m steel box girder bridge. Our company has manufactured and installed approximately 8,500 tons.