China’s Deep Sea Technology Sector: A Major Breakthrough in Multiple Projects
On October 16, 2025, it was reported that China’s deep sea technology sector has made significant advancements with numerous sea-related projects. The total investment for these projects is approximately 1.788 billion yuan. The deep sea technology industry encompasses various initiatives, including the ±500kV submarine power transmission project (Project 1), which involves the design, supply, testing, and commissioning of power transmission services.
Additionally, the ±500kV submarine power transmission project aims to enhance the energy resources in the sea. It includes the construction of a 35kV submarine power transmission project (Project 2) and the ±500kV submarine power transmission project (Project 3), which will facilitate the distribution of electricity in the deep sea regions.
In the realm of deep-sea technology, the South China University of Technology is undertaking a deep-sea robotics project, focusing on electric-powered submersibles and underwater cable laying. In addition, the Shenzhen project is dedicated to developing underwater drones and deep-sea injection heads.
This time, the investment in the deep sea technology sector is estimated at 1.788 billion yuan.
The Yuanliang Group, a key player in the industry, has committed 1.8 billion yuan to projects including the three-phase 12-pulse converter circuit integration project, which is currently underway. This investment is based on the group’s overall development strategy and market demand, aiming to enhance operational efficiency and promote sustainable development.
Looking ahead to the first quarter of 2025, the sector expects to achieve a total investment of approximately 1.08 billion yuan in energy resources, with projections estimating a growth rate of around 23.17%.
By the first quarter of 2025, the industry anticipates reaching a productivity rate of 97% to 117% for the planned investments. The sustained growth of this sector reflects the increasing demand for energy resources and technological advancements in the deep sea.
In conclusion, China’s deep sea technology sector is poised for significant growth, with several projects set to enhance the country’s capabilities in underwater energy transmission and resource utilization.
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