The project is located in Yuhang District, Hangzhou city. Our company has contracted 3 steel girder bridges and 7 steel plate composite girder bridges in the second industrial zone. Continuous box girder with bridge width of 26.5m, main span of 70m and 80m, beam height of 3.2m, 2.3m to 3.6m; Three spans and one joint composite steel beam with a main span of 60m, and the other 40m or 50m single span and one joint arrangement. The total steel consumption is about 123000 tons.