Deyang City, also known as Jingcheng, is a prefecture-level city under the jurisdiction of Sichuan Province, located in the northeastern part of the Chengdu Plain, in the transition zone from the Longmen Mountains to the Sichuan Basin; it has a mountainous vertical climate in the northwest and a subtropical humid monsoon climate in the southeast; it has a total area of 5,911 square kilometers. As of January 2023, the city has two districts and one county under its jurisdiction, and is in charge of three county-level cities. As of the end of 2022, the city had a resident population of 3.461 million. In the third year of Wude (620) of the Tang Dynasty, Deyang County was established by analyzing parts of Luo County and Mianzhu County, which was the beginning of the establishment. Deyang City, adjacent to Chengdu, the capital of Sichuan Province, is one of the seven regional center cities cultivated and developed by Sichuan, and is an important node city of the Chengdu-Chongqing Twin Cities Economic Circle and Chengdu Metropolitan Circle, and is located at the intersection and superposition point of the Silk Road Economic Belt and the Yangtze River Economic Belt. Deyang City, developed transportation, from Qingbaijiang, Asia's largest railroad container center station 24 km; Deyang due to the "three lines of construction" national layout of modern large-scale industry and the establishment of the city, is China's major technology and equipment manufacturing base. Deyang is the second batch of national emergency industry demonstration bases, and has been included in the "list of cities with less than 80% of black-smell water bodies eliminated", and included in the planning scope of the Ba Shu Cultural Tourism Corridor. on April 27, 2020, the State Council agreed to set up a cross-border e-commerce comprehensive pilot zone in Deyang. in 2022, it was recognized as a national health city. Healthy City. There are the Sanxingdui Ancient Shu Civilization Ruins, Pang Tong Ancestral Hall, Deyang Temple of Literature, Huang Jiguang Memorial Hall and other attractions in the city. In 2023, Deyang City realized a regional GDP of 301.44 billion yuan, an increase of 6.7% over the previous year at comparable prices. Among them, the added value of primary industry is 30.37 billion yuan, up 4.1%; the added value of secondary industry is 142.17 billion yuan, up 6.8%; the added value of tertiary industry is 128.90 billion yuan, up 7.1%.