Hengtong (SSE: 600487) or Hengtong Group is China's largest power and fiber optic cable manufacturer. : 14 In 2025, Hengtong Ranked No. 386 in the World's 500 Most Influential Brands list by World Brand Lab. The list prioritizes companies with strong export performance (to 100+ countries) and compliance with international standards like ITU-T G. 652 and IEC. Based on 2025 rankings from industry sources like Owire and TSCables, the top manufacturers are evaluated on market share, innovation, and global reach. A multimedia story produced by The Washington Post features Corning's groundbreaking work of connecting the unconnected. A team of Post reporters and photographers visited Corning's facility in Midland, North Carolina. Core Products: Fiber optics, fiber optic cables and connectivity solutions Reason for Top 20 Ranking: As the world's largest fiber optic cable manufacturer, Prysmian's global reach and comprehensive product portfolio make it a dominant force in the industry. is a global leader in materials science, known for its innovation in glass and ceramics.
[PDF Version]