2025年1-4月燃气生产和供应业企业有4289个，同比增长8.09%

Group 1 - The core viewpoint of the article highlights the growth in the gas production and supply industry in China, with an increase in the number of enterprises in this sector [1] - As of January to April 2025, there are 4,289 gas production and supply enterprises, which is an increase of 321 compared to the same period last year, representing a year-on-year growth of 8.09% [1] - The gas production and supply enterprises account for 0.83% of the total industrial enterprises in China [1] Group 2 - The report referenced is the "2025-2031 China Urban Gas Production and Supply Industry Market Deep Assessment and Investment Opportunity Forecast Report" published by Zhiyan Consulting [1] - The threshold for scale industrial enterprises has been raised from an annual main business income of 5 million to 20 million yuan since 2011 [1] - Zhiyan Consulting is recognized as a leading industry consulting firm in China, providing comprehensive industry research reports and customized services [1]