Public Tender (Single Envelope) No. 134/25- Contracting: Surveillance Service For Central Headquarters, Districts And Camps Of The D.P.V.N. Ex-2025-03585991- Neu-Roads#Semppub- Public Tender (Single Envelope) N.º 134/25- Contracting: Surveillance Service For Central Headquarters, Districts And Camps Of The D.P.V.N.