Constructors have completed the work of concrete box beams of Hang Zhou Bay Bridge. The final 2 m long beam was assembled on May 28. This project covers 2579 m long northern sector of Hang Zhou Bay Bridge, located in Zheng Jia Li, Hai Yan. Total contracted value is 356 million Yuan. After Provincial Traffic Engineering Group completed assembling of the concrete box beams, the project was completed 3 months ahead of schedule, symbolizing the successful connection between main bridge and northern extension part.