SUTONG GIL corridor engineering of Huainan-Nanjing-Shanghai UHV AC is the first UHV GIL corridor engineering in the world. Single phase GIL pipeline length reaches 5.8 km, 6 phaseof 2 return circuits are 35km in total. Currently, it is a super long distance UHV GIL innovation engineering in the world, with the highest grade of voltage, the largest transmission capacity, the longest single GIL, and the highest technology level.
PINGGAO Group provided 50% of the GIL equipment for the engineering and realized self production
