Qingshan Lake Ring Road in Lin'an, Hangzhou is one of the ten classic greenways in Zhejiang Province. It is constructed in three phases. Our company has successively undertaken the first, second and third phases of the project. From the foundation piling of the steel trestle road to the main body of the steel trestle Road, the road and the water and electricity installation project, under the careful organization and reasonable arrangement of the company, the project has been successfully delivered to the owner and has achieved good response in the society. The structural forms of the project include steel beam steel trestle, 80m diameter steel pipe truss network red circle bridge, 100m long continuous steel box Y-shaped bridge and various landscape models.