The starting and ending mileage of this section is from DK508+600 to K456+894, the length of the main line is 708.182 km, the power through-line is 738.1 km, the 35kV power line is 3.85 km, there are 12 35/10kV transformer and distribution stations, and 212 box substations; Catenary 947.12 km, power supply line 51.56 km, positive feeder and protection line 696.69 km; There are 11 traction offices, 11 zoning offices and 29 AT offices, covering an area of 23,239 square meters.