Chinese deep-sea drilling system achieves milestone at 1,500-meter depth

The newly trialed system represents a major technological advancement in the Hainiu series, the team said, specifically designed for deep-sea engineering geological exploration.

"The system's success marks a significant step toward China's self-reliance in deep-sea engineering geological exploration," the team stated, adding that this technology fills a domestic equipment gap and ensures the security of China's deep-sea exploration data.