There are 8 subway lines in Shijiazhuang. There are 8 subway lines in Shijiazhuang, including Metro/KOOC-0/Line, Metro Line 2, Metro Line 3, Metro/KOOC-0/Line 2, Metro Line 6, Metro Line 5, Metro Line 4 and Metro/KOOC-0/Line 3, with a total of/KOOC-0//KOOC-0/4. Shijiazhuang, a city located in North China and south-central Hebei Province, has a unique geographical location and rich history and culture, spanning the North China Plain and Taihang Mountain. It is the headquarters of the Army in the Central Theater and the city approved by the State Council to implement the coastal opening policy and financial opening. Shijiazhuang, the capital of Hebei Province, is rich in historical and cultural heritage. As an important commodity distribution center in China and an important commercial port in the north, it is not only one of the central cities of national trade exhibition, but also an important part of the permanent meeting place of China International Digital Economy Expo and China (Hebei) Pilot Free Trade Zone.