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China has banned 24 categories of solid waste imports since the end of 2017.

China collected administrative fines of almost 13.6 billion yuan from more than 166,000 environmental violations across the country in the first 11 months this year, the country top environmental watchdog said. 

China has about 1,011 AI companies in the mainland, accounting for 20.53 percent of the world's total, following the United States with 2,028, according to a report by the China Institute of Science and Technology Policy at Tsinghua University.

China began research on the lead-based reactor in the late 1980s. The lead-based reactor provides an important way to safely and efficiently promote the commercial application of advanced nuclear energy.

China has paid great attention to the financial difficulties in which some African countries have found themselves and is willing to offer assistance within its capacity to help them solve temporary problems, he added.