 It is a section of the 500 kV power line from the Yancheng power station to the Dou Shan substation in the province of Jiangsu.The power line section running over the river has a span width of .It is carried by two tall suspension towers, each weighing 4,192 tonnes, and both are among the tallest electricity pylons in the world (for comparison, the towers even surpass the height of the Eiffel Tower, which is , including antenna).