1. Department-level cadres in county-level departments: mainly including department-level cadres in county-level government departments, such as administration, economy and trade, culture and education, public security, etc.

2. Grassroots cadres: including leading cadres of grassroots units such as towns, streets and village committees and department-level cadres of grassroots departments.

3. Staff of public institutions: including staff of public hospitals, schools, cultural institutions, sports institutions and other institutions, especially grass-roots managers and middle-level managers.

4. Other relevant personnel: including enterprise managers, professional managers, heads of social organizations related to county-level governments, etc.