China's national data bureau reports over 126,000 high-quality data sets

At the 2026 China International Big Data Industry Expo in Guiyang, the National Data Bureau revealed that over 126,000 high-quality data sets have been built nationwide, supporting artificial intelligence development. These data sets, which have been processed for direct use in AI model training, have grown by more than 89% since the end of the first quarter of this year, reaching a total volume of over 1,815PB. The National Data Set Management Service System, launched in April 2026, has already released over 1,700 data sets. The expo also introduced a 'Data Market' for the first time, with 95 data companies showcasing 253 products to enhance data supply and demand matching.