The project is located at the intersection of Shenzhen road and Liaoyang road in Laoshan District, Qingdao. It is a key project of Qingdao municipal government in recent years. The surrounding supporting subway stations and public facilities have a total investment of 446 million yuan. The components contracted and processed by Shandong Hangxiao are two parts. One part is the main bridge of steel box girder, with a length of about 47m, a width of 45m and a total weight of about 1200 tons; Some of them are footbridges and stairs, with a total weight of about 300 tons.