As of May 26th, 2023. At the end of 20 18, the world's first deep-sea mining ship "Nautilus New Era" built by China was built and put into use. Its length reaches 227 meters, its width is about 40 meters, its displacement exceeds 40,000 tons, and its deepest depth is 2,500 meters. The ship has been used until May 26, 2023.

Deep-sea mining ship is the mother ship of offshore mining production. It has a complete supporting mining system, underwater robots, large deck cranes and helicopter platforms, and can also carry 39,000 tons of ore. It integrates the functions of mining operation, navigation and life service, and is also the most important water support system in deep-sea mineral mining system.