Recently, Chongqing Federation of Trade Unions issued a circular on the construction of staff's homes (small homes) in 2021. The sub-trade union of the School of Safety engineering (School of Emergency Management) of our University was rated as a model Small Staff's Home in Chongqing, and LV Junjie's Model Worker and Craftsman Talent Innovation Studio for Metallurgical Process Optimization was rated as a model worker and craftsman talent innovation studio in 2021 of Chongqing Trade Union on Education, Science, Culture,Health and Sports