According to the current national, provincial and municipal resettlement policies, you should go back to Nong 'an for resettlement. Parents who move to Changchun with registered permanent residence can return to Changchun for resettlement if they meet one of the following conditions: (1) Choose their own jobs; (2) Engaged in flying and ship work in remote and hard areas for 10 years; (3) Won the third class merit in wartime and the second class merit in peacetime; (4) Disability due to war.
If in doubt, please consult the public education enterprises in China.