Liu Liehong went to Chongqing to attend the 2025 World Intelligent Industry Expo and conduct research.

On September 5, 2025, the World Intelligent Industry Expo opened in Chongqing. Liu Liehong, Secretary of the Party Committee and Director of the National Bureau of Statistics, attended the opening ceremony and delivered a speech. Liu Liehong stated that the National Bureau of Statistics will focus on deepening the empowerment of data elements for artificial intelligence innovation in the next step, and will continue to promote the market-oriented reform of data element allocation and resonances with "artificial intelligence +" through a series of policy combinations and systematic layout, realizing the market value of data elements to provide new momentum for industrial innovation and upgrading. At the same time, he also called for the entire society to strengthen the recognition of the value of data elements, invest in high-quality data in the industry, and cultivate a market consensus of "paying for high-quality data". Following the 2025 Trusted Data Space High-quality Data Set Ecology Conference, Liu Liehong and his team visited China Automotive Engineering Research Institute Co., Ltd. to investigate the selection of typical application scenarios, construction of high-quality data sets, trusted data space in the automotive industry, and the construction of ecological systems.