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Submarine cable has gradually become a profit growth point
The "Twelfth Five-Year Plan" has placed significant emphasis on the development of new energy sources, which has led to a surge in infrastructure projects such as nuclear power plants, solar farms, and wind farms. This shift has created new opportunities for specialized cables, particularly submarine cables, which are essential for connecting offshore facilities. Due to their need for high durability, resistance to corrosion, and efficient power transmission, submarine cables offer significantly higher output compared to standard cables.
Currently, submarine cables are primarily used in two main sectors: offshore oil drilling platforms and the transmission of offshore wind energy. Additionally, they play a critical role in long-distance communication networks, especially between islands and military installations across seas. While submarine cables are generally more expensive than overhead lines of the same length, they often prove more cost-effective for transmitting electricity in offshore areas, where building onshore power stations may be impractical or inefficient. Countries with extensive coastlines and island chains have seen widespread adoption of these cables due to their reliability and efficiency.
According to the 2012–2016 China Submarine Cable Market Analysis and Investment Value Study Report by Champion Consulting, the future direction of the submarine cable industry is becoming clearer. The focus of the Twelfth Five-Year Plan on renewable energy, particularly offshore wind power, highlights the growing importance of this sector. As China continues to explore its vast shallow continental shelves for oil and natural gas, the demand for submarine cables will only increase.
In addition to the energy sector, submarine cables are also gaining attention in the military market. Despite challenges in the shipbuilding industry, orders from maritime authorities and fisheries remain strong. As China advances its oceanic development strategies, there will be increasing demands for advanced cable systems tailored for official vessels. This trend presents a great opportunity for large cable companies that possess both brand recognition and technological expertise.
Experts emphasize that while quality remains a key concern, the development of submarine cables in China must also focus on strengthening the entire supply chain—from raw material sourcing to installation and maintenance. Currently, only a few Chinese companies can produce submarine cables up to 220 kV, but they still rely heavily on foreign technology for insulation materials, jointing techniques, and laying methods. Most domestic teams are limited to shallow water operations, highlighting the need for greater investment in R&D and infrastructure.
The Chinese submarine cable market holds immense potential, and with proper development, it could become a major growth driver for the industry. However, many local manufacturers face challenges such as low R&D investment—often less than 1% of sales—and poor production management, leading to substandard products and intense price competition. This has resulted in a market where lower-quality products often outcompete better ones.
As the global economy recovers slowly, China's cable industry is entering a period of thin margins. In the face of fierce competition in the low-end market, upgrading the industry through innovation and technological advancement is the most pressing challenge for Chinese cable companies. Only by addressing these issues can they position themselves for long-term success in an increasingly competitive global market.