Zhao Jun, male, served as vice president of School of Mechanical Engineering of Tianjin University from April 2005 to April 2009. In 2003-2004, the national tenth five-year plan scientific and technological key project "development and demonstration of complete solar heating and refrigeration technology"; Project participant, editor-in-chief of academic articles such as Tianjin Sewage Source Heat Pump System Application Technical Specification and Tianjin Green Building Evaluation Standard.