The Institute of Chemistry should also keep the registered permanent residence in Xiaobailou, Zhongguancun Park. It seems that you can only take two mornings a week. You can't take it on holiday now. Even if you find the telephone number of the teacher in the household registration office, they will certainly not handle it for you. I can only wait until next year to work there.
It is suggested that this procedure should be done in advance in the future, otherwise all kinds of errands are often easy to run empty.