1. Institute of Culture and Tourism, Leshan Vocational and Technical College, Leshan 614000, China
2. Department of Defense Economics, Army Logistics Academy, Chongqing 401331, China
3. Department of Quartermaster and Acquisition, Army Logistics Academy, Chongqing 401331, China
4. Department of Military Logistic, Army Logistics Academy, Chongqing 401331, China