Core Insights - Hengtong Optic-Electric has successfully won the bid for the Dandong Donggang Phase I 1 million kW offshore wind power project, with a bid amount exceeding 1.7 billion yuan, covering the production, transportation, and installation of ±500kV DC submarine cable systems and 66kV aluminum core submarine cables [1][2] - The project represents a technological benchmark in China's offshore wind power sector, being the first to adopt a ±500kV DC output system and a 66kV aluminum core branching system for a million-kilowatt deep-sea wind power project [1][2] - The successful bid highlights the company's comprehensive strength in the marine energy sector and showcases its core capabilities in the research and application of ±500kV flexible DC submarine cable technology [1][2] Technical Challenges and Solutions - The ±500kV DC submarine cable system involves high technical barriers, including stringent requirements for high voltage resistance, seawater corrosion resistance, and wind and wave impact resistance due to the deep-sea environment [2] - The company has overcome these technical challenges through years of technological accumulation, forming a full-chain service capability from research and development to production, transportation, and installation [2] Environmental and Economic Impact - The Dandong million-kilowatt wind power project is expected to provide 3 billion kWh of clean electricity annually, reducing carbon emissions by 2.4 million tons, thus contributing to the achievement of carbon neutrality goals [3] - The project will also drive local industrial upgrades in equipment manufacturing and port logistics, aligning with the company's mission to serve national strategies and promote green development [3] Future Outlook - Hengtong Optic-Electric plans to continue increasing its R&D investment in deep-sea energy transmission and core materials, enhancing its capability in marine energy system solutions [3] - The company aims to deepen its domestic market presence while also participating in international competition, leveraging independent technological innovation to support the development of national deep-sea technology and contribute to the global energy system's green transition [3]