Hengtong Optic-Electric Co., Ltd. is a leading global provider of optical fiber networks, marine cable systems, and energy transmission products, headquartered in Suzhou, Jiangsu Province. As a subsidiary of Hengtong Group, the company was listed on the Shanghai Stock Exchange in 2003. Hengtong's business spans optical fiber and cable manufacturing, submarine cable and offshore engineering, power cables, and network engineering services. The company has established production and operational bases in over 12 countries and serves clients in more than 150 countries and regions. Hengtong is one of the few companies globally capable of independently designing, manufacturing, and laying high-voltage submarine cables, positioning it as a key enabler of offshore wind power interconnection projects.

Hengtong's competitive strengths include a complete vertical integration from optical fiber preform to finished cable, proprietary submarine cable laying vessel fleets, and world-class marine engineering capabilities. The company has invested heavily in trans-oceanic communication cable systems and is expanding into emerging domains including quantum communication networks and sensor technology. Its offshore cable business directly benefits from the global energy transition toward renewable offshore wind. In 2025, Hengtong Optic-Electric published its ESG Report, emphasizing commitments to achieving carbon peak by 2030 and carbon neutrality by 2050, green manufacturing certifications, marine ecosystem protection during submarine cable installation, and supplier ESG assessment programs. The company also reported on workforce diversity initiatives and community development projects along the Belt and Road initiative.

亨通光电股份有限公司是全球领先的光纤网络、海底电缆系统及能源传输产品供应商，总部位于江苏省苏州市。作为亨通集团子公司，公司于2003年在上海证券交易所上市。亨通光电业务涵盖光纤光缆制造、海底电缆及海洋工程、电力电缆及网络工程服务。公司在全球12个国家设有生产和运营基地，服务超过150个国家和地区的客户。亨通是全球少数几家能够自主设计、制造和铺设高压海底电缆的企业，成为海上风电并网项目的关键赋能者。

亨通光电的竞争优势包括从光纤预制棒到成品光缆的完整垂直一体化、自主海底电缆铺设船队及世界级海洋工程能力。公司大举投资跨洋通信光缆系统，并向量子通信网络和传感技术等新兴领域拓展。其海底电缆业务直接受益于全球能源向可再生能源和海上风电的转型。2025年，亨通光电发布ESG报告，强调2030年碳达峰、2050年碳中和的承诺、绿色制造认证、海底电缆铺设过程中的海洋生态保护及供应商ESG评估项目。公司还报告了员工多元化倡议及「一带一路」沿线社区发展项目。