Newly-built single-circuit line project in Wangda~Bitu 110kV, Zuogong city,Tibet,conductor JL/G1A-185/35-26/7 ground line GJ-70, the total length of the line is 126KM.Total quantity angle steel tower is 311 sets, Total weight is 3150 tons . It took 90 days after the order was signed in October 2019 to the completion of the delivery of the tower in January 2020, and the entire line was put into operation in August 2020.