Chongqing Lixin Vocational Education Center. Chongqing Lixin Vocational Education Center is a closed school, which strictly implements the military regulations on food, clothing, housing and transportation, so its management is strict. Chongqing, also known as Mountain City and Jiangcheng City, is a municipality directly under the Central Government of the People's Republic of China, a national central city, a megacity and one of the important national central cities approved by the State Council.