No matter which city you work in, almost all factories or companies require you to go to the hospital designated by him before he will recognize your health certificate. Although your health certificate is issued by a regular hospital, you won't admit it unless it is designated by him. Now your health certificate is not universal, and it can only be used in this city, and sometimes it can't even be used in this city, because you have to go to the hospital designated by him, and after you apply for a job with your health certificate in this city, you have to go to the hospital designated by him after you take up your post. ......
In order to work, everything must obey the requirements of the recruiting unit, which is a helpless move.