Where can I get a health certificate in Heping District of Shenyang in 2022?

In 2022, Heping District of Shenyang went to Heping District Health Bureau (CDC) to get a health certificate. According to relevant information, only the municipal (district) county-level administrative health bureau (CDC) has the right to apply for a health certificate. Other departments, institutions and hospitals have no right to handle it. Even if they do, it is invalid and cannot be checked.