1. certificate of thanks: as a way to commend the library's contribution in cultural propaganda and education promotion, the propaganda department of the county party Committee can issue a certificate of thanks. This can be an affirmation of the library's efforts in providing quality books and knowledge resources for community residents, organizing cultural activities and promoting reading education.

2. Certificate of cooperation: If the Propaganda Department of the county party committee and the library have cooperated in projects or activities, a certificate of cooperation can be issued to commend the achievements and cooperation spirit of both parties in promoting the development of cultural undertakings.

3. Honorary certificate: If the library has made outstanding achievements or won awards in various selection activities, the Propaganda Department of the county party committee may issue honorary certificates in recognition of its outstanding performance and contribution in related fields.

4. Recommendation certificate: The Propaganda Department of the County Party Committee can issue recommendation certificates to the library and recommend them to other units or organizations, so as to strengthen the cooperative relationship and further promote the work of the library.