Hello! The "occupational disease examination qualification" you mentioned is divided into two types: occupational health examination qualification and occupational disease diagnosis qualification. The former is to serve the occupational health examination before, during and after the employment of the victim; the latter is used for the diagnosis of occupational diseases. Both qualifications are issued by the provincial health department.
Qualification query method: 1, to the provincial health department website or health supervision website query (type "occupational health inspection qualification" or "diagnosis of occupational diseases qualification")
2, telephone consultation with the local health bureau of health supervision ( The name of the unit varies from place to place) or the Center for Disease Control and Prevention (CDC).