The contract section starts from K124+500 to K152+800, and the total length of the main line is about 28.389km. Main structures along the line include: Fengtou Bridge, Huangniping Bridge, Huangshanli 1 # Bridge, Huangshanling Tunnel, Huangshanli 2 # Bridge, Chenkeng Tunnel, Xiawang 1 # Bridge, Xiawang 2 # Bridge, Caixi Interchange, Shangwang Bridge, Rongshi Medium Bridge, Heng