China Unveils Revolutionary Deep-Sea Cable Cutting Technology
- paolo bibat
- Mar 22
- 1 min read

China has disclosed the creation of a powerful deep-sea cable cutting device capable of severing underwater communication lines at unprecedented depths.
This revelation marks a significant advancement in maritime technology and could potentially reshape global undersea operations.
The compact device, developed by the China Ship Scientific Research Center in collaboration with the State Key Laboratory of Deep-Sea Manned Vehicles, can operate at depths of up to 4,000 meters (13,123 feet).
This operational range is twice that of existing subsea communication infrastructure, highlighting the tool's exceptional capabilities.
Designed for integration with China's advanced manned and unmanned submersibles, such as the Fendouzhe (Striver) and Haidou series, the cutter specifically targets armored cables.
These cables, fortified with layers of steel, rubber, and polymer sheaths, form the backbone of global data transmission, accounting for 95% of international communications.
While the device was ostensibly created for civilian purposes like salvage operations and seabed mining, its potential dual-use capabilities have raised concerns among international observers.
The ability to disrupt critical undersea networks at such depths could have significant implications for global maritime security and communication infrastructure.
This disclosure comes amid recent incidents of undersea cable damage, some of which have been attributed to vessels linked to China and Russia.
The timing of this revelation has intensified discussions about the vulnerability of submarine cables and their critical role in maintaining global connectivity.
As the first country to officially acknowledge possession of such advanced undersea cutting technology, China's announcement may prompt other nations to reassess their maritime strategies and undersea infrastructure protection measures.
The development of this tool underscores the growing importance of securing vital communication networks in an increasingly interconnected world.