Is it necessary to isolate Kaiyuan and Anshan?

No need. According to relevant data, as of June 4, 2022, kaiyuan city, Tieling City, Liaoning Province belongs to a low-risk area. Anyone who comes (returns) to Anshan must declare 24 hours in advance and hold the green code of health code and the negative certificate of 24-hour nucleic acid test. If the low-risk area returns to Anshan, it needs to be tested twice within 3 days, and there is no need for isolation.