2025百强县市榜发布，长沙县居全国前五、中西部第一

Core Viewpoint - The research results on the high-quality development index of small and medium-sized cities in China for 2025 highlight Changsha County's strong performance, ranking fifth among the top 100 counties and cities in terms of comprehensive strength, solidifying its leading position in Central and Western China [1][2]. Economic Performance - Changsha County's GDP surpassed 100 billion yuan for the first half of 2024, with a year-on-year growth of 6.0%. Fixed asset investment increased by 4.4%, and the added value of industrial enterprises above designated size grew by 13.1% [3][4]. - In the first eight months of 2024, the county completed fixed asset investments totaling 589.8 billion yuan, indicating robust economic resilience [3]. Industrial Development - The county attracted 201 new projects in the first half of 2024, with a total investment of 763.7 billion yuan, exceeding the "double over half" target [4]. - The engineering machinery industry in Changsha County achieved a cumulative export of 99.93 billion yuan in 2024, a year-on-year increase of 47.7% [7]. - The county is actively promoting the development of the new energy vehicle industry, with production increasing by 49.3%, accounting for 55% of total vehicle production [7]. Innovation and Technology - Changsha County has established 406 innovation platforms, including 12 national-level and 237 provincial-level platforms, supporting industrial upgrades [15][16]. - The county's R&D expenditure intensity reached 3.08% in 2024, reflecting a strong commitment to technological innovation [16]. - The number of high-tech enterprises increased to 1,347, contributing to a vibrant innovation ecosystem [17]. Environmental Sustainability - As of June 30, 2024, the air quality in Changsha County had an excellent rate of 90.1%, with water quality standards consistently met [18][20]. - The county has implemented comprehensive measures for pollution prevention, achieving significant improvements in environmental quality [20][21]. Business Environment - Changsha County has optimized its business environment, significantly reducing institutional transaction costs and enhancing service efficiency for enterprises [22][23]. - The county's government has introduced various reforms to streamline administrative processes, facilitating easier business operations [25].