In the 1980s, with the shift of national focus to economic construction, nuclear tests gradually decreased, and the demand for nuclear raw materials also decreased. The output of 7 12 mine gradually decreased, and the wellhead was completely closed when the production was finally stopped. 7 12 Mine, like many military enterprises, began the process of "military to civilian": a marble factory was built in Loudi, and a metal magnesium factory was built with an investment of 90 million yuan, but it was not maintained because of poor leadership and management; The factory building in the former No.2 work area was changed into a "calcium factory", 1996, and the "calcium factory" in the No.2 work area also closed down. 1986 7 12 mine closed, and in the 20-odd years since the military was converted to civilian, there was not a penny in the mine, but the unit still paid 75% of the salary every month, and the state allocated millions of dollars for salary and medical care every year.
The mine workers and their families have been reduced from tens of thousands at the peak to thousands, and now they have moved to 7 12 of the resettlement house in Miaopu Street, Zhuhui District, Hengyang City. The community covers an area of 170 mu, with 6,567 people in 3,088 households and 37 residential buildings 1694 sets.