 During the war he served as Director of the Political Department of the 29th Regiment and then Political Commissar of the 27th Regiment.During the Chinese Civil War, he was in charge of weapons production in the Shaanxi-Gansu-Ningxia region.After the founding of the People's Republic of China in 1949, Jiang served as President of the Northwestern Polytechnical University and Chongqing University of Technology.