On February 12, “Sanhanggong 9”, the largest lifting capacity semi-submersible barge of CCCC Third Harbor Engineering Co., Ltd., was named and delivered at the Ningbo Port in Zhejiang Province, marking its official entry into the core fleet.

Designed independently by China, the “Sanhanggong 9” is 105 meters long, 43.5 meters wide, and 7.5 meters deep, featuring an innovative detachable stern tower design.
Equipped with an advanced one-button diving system and a green, energy-saving box-type energy storage device, the vessel achieves efficient energy utilization, reducing energy consumption and exhaust emissions, while also enabling automated and intelligent control of diving and surfacing operations. It represents another achievement of CCCC Third Harbor Engineering in promoting the high-end, digital, green, and safe development of equipment manufacturing.
With a lifting capacity of 18,000 tons, the vessel is capable of transporting and submerging 12,000-ton concrete caissons for installation. It can also meet the transportation needs of large components such as wind turbine jackets, achieving “one vessel for multiple uses and adaptability to multiple scenarios”. This will greatly enhance the operational capabilities and efficiency in core areas such as the transportation of large marine components, the dispatch of deep-sea engineering construction equipment, and emergency rescue in complex sea conditions.
With its successful delivery, “Sanhanggong 9” will set sail for the front line of offshore construction, providing solid equipment support for CCCC Third Harbor Engineering to expand its deep-sea engineering market, enhance its comprehensive offshore engineering capabilities, and efficiently serve major national strategic projects.


