Beijing: Two prototypes of the CR450 high-speed train, unveiled last ... one developed by CRRC Changchun Railway Vehicles and the other by CRRC Sifang Co, each of which has a slightly different ...

From day one, DeepSeek built its own data center clusters for model training. But like other AI companies in China, DeepSeek has been affected by U.S. export bans on hardware. To train one of its ...