China s second largest fiber optic cable

Hengtong Optic-Electric, officially known as Jiangsu Hengtong Optic-Electric Co., Ltd. (HTGD), holds a prominent position in China's optical fiber and cable industry, ranking just behind YOFC in terms of production scale and market influence . The company has established a complete industrial chain covering optical preforms, fibers, and cables, enabling it to produce a wide range of products for both terrestrial and submarine communications . Hengtong has also achieved breakthroughs in independent optical preform development, reducing reliance on foreign technology, and is the only domestic manufacturer with comprehensive R&D and production capabilities for submarine cables .

Hengtong's fiber optic cables serve both domestic and international markets, with a strong presence in marine communications, energy, and telecom sectors . The company's vertical integration allows it to maintain high-quality standards and rapid production cycles, supporting high-density multi-core cables and advanced fiber types suitable for 400 Gbps+ transmission via WDM technology . Hengtong's strategic focus on technological innovation and global expansion positions it as a key competitor in the global fiber optic market.

• Submarine and terrestrial cables: Hengtong is capable of producing cables for long-distance undersea networks as well as high-capacity terrestrial deployments .
• High-density multi-core cables: Supports up to 576 fibers per cable for ultra-high-speed data transmission .
• R&D and innovation: Continuous investment in optical preforms, fibers, and cable technologies ensures competitiveness in both domestic and international markets . Hengtong's combination of production scale, technological expertise, and global reach makes it China's second largest fiber optic cable manufacturer, playing a critical role in supporting the country's expanding telecommunications infrastructure and international connectivity .