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Hengtong makes the cables and connection systems that carry electricity and internet data, including the special cables that link power grids and wind farms across the sea.
Hengtong is a Chinese manufacturer of cables. You have probably never seen its products, because they are buried underground, strung between towers, or laid on the ocean floor. The company sells fiber-optic cables that carry internet traffic between cities and continents, power cables that move electricity from plants to homes, and marine cables used to connect offshore wind farms and link power grids across stretches of water. Its customers are telecom carriers and energy companies, the utilities and network builders who need to move data or electricity from one place to another.
The business earns money by selling cable and the systems that go with it. Operators of telecom networks buy fiber cable to expand broadband and mobile backhaul, while power utilities and wind-farm developers buy high-voltage and submarine cables for new grid projects. This is a competitive, capital-heavy industry with thin margins, and Hengtong competes with cable makers at home and abroad. Its edge comes from scale, a broad product range, and the ability to handle complicated jobs like submarine cable installation, which few companies can do. The most interesting part is the sea. Offshore wind farms need cables to bring their electricity ashore, and countries linking their power grids need submarine cables too. These projects are expensive and technically hard, which makes them a more attractive niche than plain commodity cable. Hengtong has invested in cable-laying ships and marine engineering to serve this market, and it has also expanded overseas, chasing projects in Europe, Asia, and beyond.
Hengtong is based in Jiangsu, China, and is listed on the Shanghai Stock Exchange. It has grown through a mix of factories and acquisitions, including a stake in a submarine cable business that broadened its reach in marine projects. The risks are real: it depends on government-driven infrastructure spending, faces price competition, and must manage heavy capital costs. Still, as the world builds more power grids and offshore wind, the demand for the cables Hengtong makes is likely to keep growing.
Saved answer 路 last researched 15 Nov 2026