2025全国三线城市排名更新：中山第3，南阳第11，汕头第16

Core Insights - The 2025 "Charm Ranking" released by the New First-Tier Cities Research Institute shows a reshuffling of 70 third-tier cities, with Zhongshan ranked 3rd, Nanyang 11th, and Shantou 16th, highlighting their competitive advantages in industry, population, and consumption [1][8]. Group 1: Zhongshan - Zhongshan's rise to 3rd place is attributed to its advantageous location as "Shenzhen West," with the Shenzhong Passage expected to open next year, reducing travel time to 20 minutes [3]. - The city has attracted 210 high-end manufacturing projects from Shenzhen, with a total investment exceeding 180 billion yuan, while also modernizing traditional industrial clusters, leading to the highest industrial profit growth rate in the province for two consecutive years [3]. - With housing prices only one-third of Shenzhen's and an increase of 80,000 permanent residents in six months, Zhongshan's commercial appeal has significantly increased [3]. Group 2: Nanyang - Nanyang, ranked 11th, has transformed from a "Central Grain Warehouse" to a "Central Medicine Valley," leveraging its reputation as the hometown of traditional Chinese medicine [5]. - The city has developed three trillion-yuan industrial chains in traditional Chinese medicine, mugwort, and meat products, with a national-level traditional Chinese medicine high-tech zone established [5]. - Nanyang's transportation infrastructure, including the intersection of the Jiaotang and Nanjin high-speed railways, facilitates access to major cities, contributing to a significant influx of labor and a notable increase in the local consumer market [5]. Group 3: Shantou - Shantou, ranked 16th, capitalizes on its dual strengths of being a "Hometown of Overseas Chinese" and a port city [7]. - Over the past decade, Shantou has introduced 460 overseas Chinese-funded projects, and the second phase of the Guoao Port has been put into operation, achieving an annual throughput of over 4 million TEUs [7]. - The city has successfully turned local specialties like Chaoshan cuisine, toys, and underwear into popular live-streaming products, with its express delivery volume ranking in the top 20 nationwide, fostering entrepreneurship among young people [7].