Wenchang Campus and Jiangsu Normal University Quanshan Campus)() has been used for service since June 29, 2021. At the same time, Xuzhou Metro Line 3 (Phase 2) and Xuzhou Metro Line 6 started to construct. According to Xuzhou Metro Group, the Xuzhou Metro Line 4 and Xuzhou Metro Line 5 will be constructed in 2022 and finished before 2026. In the future, Xuzhou Metro System will include at least 11 Subway lines: Xuzhou Metro Line 7, Xuzhou Metro Line S1, Xuzhou Metro Line S2, Xuzhou Metro Line S3, Xuzhou Metro Line S4, Xuzhou Metro Line S5, Xuzhou Metro Line 1 (Phase 2), Xuzhou Metro Line 2 (Phase 2), Xuzhou Metro Line 5 & 6 (Phase 2 & 3) etc. Others The Grand Canal flows through Xuzhou, and the navigation route extends from Jining to Hangzhou. Luning oil pipeline, which originates from Linyi county of Shandong to Nanjing, passes through Xuzhou. Military Xuzhou is headquarters of the 12th Group Army of the People's Liberation Army, one of the three group armies that compose the Nanjing Military Region responsible for the defense of China's eastern coast and possible military engagement with Taiwan. The People's Liberation Army Navy also has a Type 054A frigate that shares the name of the region. See also Battle of Xuzhou List of cities in the People's Republic of China by population List of twin towns and sister cities in China Xuzhou dialect Sex trafficking in China Citations General references External links Government website of Xuzhou (in Simplified Chinese) Xuzhou city guide with open directory (Jiangsu.NET) Cities in Jiangsu Port cities and towns in China Prefecture-level divisions of Jiangsu