HENGTONG Group is the initiator of smart grid industry alliance nationwide. It develops cable solutions adaptive to power transmission over the smart grid, including high-capacity high-voltage and extra-high-voltage electrical cables and optical cables. Its products cover cables for urban and rural grids, as well as overhead lines and underground cables including overhead conductors and OPGW, OPPC, ADSS, OPLC, low-voltage buried cables, medium-voltage cables and XLPE cables of 500KV or below that are applicable to long spans. They have been widely applied in numerous projects around the world and survived stringent tests. Among them, OPPC of HENGTONG creates a world record with the highest voltage class in China, and OPGW of HENGTONG creates multiple world’s firsts such as the largest cross section, the highest capacity, the longest span, the best thunder-proof performance and the biggest icing load.