As far back as Qin and Han Dynasties, Yan Liang occupied an important position in politics, economy and military affairs, and was the seat of ancient Quercus Yangcheng, a famous historical city in China. Qin Xiaogong used Shang Yang's political reform to lay a solid foundation for unifying the world here. Liu bang took this as the base camp, thus boarding Jiuding Supreme.
Yanliang is a modern city. Yanliang is an administrative region directly under the jurisdiction of Xi. Located at the northeast end of the city, it looks like a lying cow, with its head east and tail west, Jingshan in the north and Weishui in the south. The total area of the region is 244 square kilometers, the urban planning area is 60 square kilometers, and the built-up area is 20.28 square kilometers. Now it has jurisdiction over Lu Hua Sub-district Office, Fenghuang Sub-district Office, Xinxing Sub-district Office, Beitun Sub-district Office, Zhenxing Sub-district Office, Guanshan Town and Hewutun Town, which belong to sub-prefecture level areas. There are Han, Hui, Manchu and Mongolian nationalities 16, with a total population of 250,000. Convenient traffic conditions are brought into Xi's half-hour economic circle. The service function is perfect, and the indicators such as the reliability of power supply and water supply, the rate of natural gas entering households, the per capita housing area of urban residents, the ownership rate of urban family private cars, and the average wage of urban workers are all in the forefront of all districts and counties in the province. There are two four-star hotels, more than 20 large-scale comprehensive shopping malls and catering enterprises, with smooth logistics and active consumption. The city has a beautiful environment and is named as a provincial garden city, a sanitary city and a safe area. Four fully functional city squares, the newly-built Yanliang Park, the aviation exhibition hall, the first garbage recycling plant in the northwest and the aviation science and technology corridor to be built soon give Yanliang a strong modern urban atmosphere.
Yanliang is a famous aviation city, and Yanliang is a world-renowned China airplane city. In the early days of the founding of the People's Republic of China, Yanliang was listed as a national key aviation industrial base, integrating the design, manufacture, appraisal and flight test of large and medium-sized military and civilian aircraft. It is not only an aircraft industrial base, but also an aviation scientific research base and an aircraft appraisal flight test base. Xi 'an Aircraft Industry Company is the largest aircraft manufacturer in China. China Flight Test Research Institute is the only flight test research center of aviation equipment in China, ranking first in Asia in scale, and also the top comprehensive aircraft appraisal flight test base in the world. Xi 'an Aircraft Design Institute is the only large and medium-sized aircraft design and research institution in China. Over the years, the three airlines have cooperated closely and achieved a series of brilliant achievements. Flying Leopard, xinzhou 60 and ARJ2 1 are all developed and produced here. There are 25,000 aviation scientific and technical personnel in the whole region, including more than 0/00 experts with outstanding contributions. College degree or above accounts for12 of the urban population. Yanliang Aviation High-tech Industrial Base has a strong development momentum. At present, there are 26 registered enterprises/KLOC-0, and a number of major projects such as China Flight Strength Test and Research Center and 80,000-ton die forging hydraulic press are under construction.