The reconstruction project of the Changxi Line (urban section) is a key implementation project in Lin'an City. The main focus of this plan is the lighting project on both sides of the Qijiaqiao Interchange on the Changxi Line (urban section), with a total length of 854 meters; Two up and down ramps, including the carriageway (collision barrier and bottom prefabricated beam), and the outer edge of the nonmotorized vehicle lane fence.

During the day, bridges are important and convenient transportation arteries in cities. At night, through the bridge lighting project, they transform into the most beautiful "night sky ribbon" of the city. They are elegant, agile, and romantic, becoming the most moving scenic line of the city's night scenery lighting project. The lighting design of new modern bridges must consider incorporating more modern elements and integrating them with the existing urban layout as a whole. Showcasing characteristics such as modernity, innovation, and high-tech. Hangzhou Lin'an Yuzhong Gaohong Energy Saving Engineering Co., Ltd. starts with preliminary design, later construction, personalized customization of lighting fixtures, and integrated control of project quality.