In 2024–2025 Hengtong expanded rapidly as demand for high‑capacity optical networks, offshore wind power links, and submarine power cables rose. The company combines optical fiber, power cables, and turnkey submarine systems to serve carriers, grids, and wind. HENGTONG provides a series of end-to-end cable products and service solutions in telecommunication market. The products mainly include: layer stranded optical cable, central-tube optical cable, ribbon optical cable, special optical cable, indoor optical cable, power optical cable. Hengtong operates. Founded in 1991, the company has expanded from optical fiber manufacturing to integrated network solutions. In 2024, Hengtong Optic-Electric achieved RMB 59. 96% increase, with net profit up 28. Standardized products guarantee fast deployment, while customized options support specific industry requirements such as backbone networks, data transmission. Jiangsu Hengtong Optoelectronics Co., one of the top ten brands of wire and cable, was established in 1993, a listed company, a subsidiary of Hengtong Group, serving high-tech enterprises in the fields of optical fiber network and power grid and network construction and operation/financial. It is the second largest cable manufacturer in the world and one of the three largest optical communication companies in the world, holding 25% of the market share fiber optics in China and 15% of the global optical fiber market share.