The world's first carbon fiber subway train officially enters commercial operation Date: 2025-01-12 Category: News
CRRC Dalian's new generation of high-power high-speed diesel engine ignited successfully Date: 2025-01-12 Category: Tech
China's independently developed double-shield hard rock tunnel boring machine successfully put into use Date: 2025-01-05 Category: Tech
China's deep-sea multifunctional scientific investigation and cultural relics archaeology ship "Exploration No. 3" officially joins the fleet Date: 2025-01-04 Category: Tech